CN110744478A - Locking device - Google Patents
Locking device Download PDFInfo
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- CN110744478A CN110744478A CN201911263825.1A CN201911263825A CN110744478A CN 110744478 A CN110744478 A CN 110744478A CN 201911263825 A CN201911263825 A CN 201911263825A CN 110744478 A CN110744478 A CN 110744478A
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- air inlet
- limiting groove
- inlet pipe
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- 230000000670 limiting effect Effects 0.000 claims abstract description 161
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to the technical field of clamp tools, in particular to a locking device which comprises a base, a limiting block and a longitudinal pressing mechanism, wherein the limiting block is fixed on the base; the base is used for supporting the bottom of the valve rod assembly, the limiting block is provided with a first limiting part and a second limiting part, and the first limiting part is used for limiting the transverse deviation and the transverse deflection of the valve rod assembly; the longitudinal pressing mechanism is used for pushing the air inlet pipe in the longitudinal direction to enable the air inlet pipe to move towards an air inlet on the valve rod assembly, and the longitudinal pressing mechanism is matched with the second limiting part and can limit the longitudinal deviation and the longitudinal inclination of the valve rod assembly and the air inlet pipe. The locking device provided by the invention can limit the valve rod assembly at the preset position, and can not deviate or incline in any direction, and the positioning effect is good, so that the assembling quality and the stability of the air inlet pipe and the valve rod assembly can be improved.
Description
Technical Field
The invention relates to the technical field of clamp tools, in particular to a locking device.
Background
Referring to fig. 1, in the assembly process of the cooker, the steps of assembling the air inlet pipe 70 and the valve rod assembly 80 are included, generally, the air inlet pipe 70 and the valve rod assembly 80 are positioned by a fixture, and then, the air inlet pipe 70 and the valve rod assembly 80 are fastened together manually, so that the air inlet pipe 70 and the valve rod assembly 80 are assembled.
The anchor clamps that current advance line location to intake pipe 70 and valve rod assembly 80, mainly by base and vertical hold-down mechanism constitute, set up the locating hole that is used for advancing line location to valve rod assembly 80 on the base, and set up the reference column in valve rod assembly 80's bottom, when the assembly, install the reference column of valve rod assembly 80 in the locating hole earlier, in order to realize the preliminary location to valve rod assembly 80, then, put intake pipe 70 to the position corresponding with valve rod assembly 80, afterwards, utilize vertical hold-down mechanism to support and press intake pipe 70, under the limiting action of locating hole to the reference column, valve rod assembly 80 can in close contact with intake pipe 70, so that later the manual work fastens intake pipe 70 and valve rod assembly 80 together. However, in order to facilitate the installation of the valve rod assembly 80, the diameter of the positioning hole is larger than the diameter of the positioning column, so after the longitudinal pressing mechanism presses the air inlet pipe 70, the positioning column on the valve rod assembly 80 is inclined to the positioning hole to different degrees (as shown in fig. 1), and the positioning effect is poor, which causes poor and unstable assembling quality of the air inlet pipe 70 and the valve rod assembly 80.
In summary, how to overcome the above-mentioned defects of the existing fixture for positioning the air inlet pipe and the valve rod assembly is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a locking device to solve the technical problem that a clamp for positioning an air inlet pipe and a valve rod assembly in the prior art is poor in positioning effect.
The locking device provided by the invention comprises a base, a limiting block and a longitudinal pressing mechanism, wherein the limiting block is fixed on the base;
the base is used for supporting the bottom of the valve rod assembly, the limiting block is provided with a first limiting part, and the first limiting part is used for limiting the transverse deviation and the transverse deflection of the valve rod assembly; the longitudinal pressing mechanism is used for limiting the longitudinal deviation and the longitudinal inclination of the valve rod assembly and the air inlet pipe.
Preferably, as an implementation mode, the first limiting portion is a first limiting groove which is formed in the limiting block and has an upward notch, the first limiting groove can accommodate an air outlet pipe on the valve rod assembly, and a groove wall of the first limiting groove can limit lateral deviation and lateral deflection of the air outlet pipe on the valve rod assembly; the first limiting groove corresponds to the air outlet pipe on the valve rod assembly one by one.
Preferably, as an implementation mode, the first limiting groove is a groove with a semicircular cross section, the diameter of the first limiting groove is the same as the outer diameter of the corresponding air outlet pipe, and two semicircular ends of the first limiting groove are located on the same horizontal plane;
or, first spacing groove is U type groove, two cell walls of first spacing groove all are used for with the pipe wall butt of the outlet duct that corresponds.
Preferably, as an embodiment, the longitudinal pressing mechanism is used for pushing the air inlet pipe along the longitudinal direction to enable the air inlet pipe to move towards the air inlet on the valve rod assembly; the limiting block is further provided with a second limiting part, the second limiting part is a side wall, perpendicular to the compressing direction, of the longitudinal compressing mechanism, and the longitudinal compressing mechanism is matched with the second limiting part and used for limiting longitudinal deviation and longitudinal inclination of the valve rod assembly and the air inlet pipe.
Preferably, as an implementation mode, a first support block and a second support block are fixed on the base, the first support block is used for supporting one end, close to the transverse pipe portion, of the longitudinal pipe portion of the air inlet pipe, and the second support block is used for supporting one end, away from the transverse pipe portion, of the longitudinal pipe portion of the air inlet pipe.
Preferably, as an implementation mode, the first support block is provided with a second limiting groove with an upward notch, and the second limiting groove can accommodate the air inlet pipe;
the locking device further comprises a transverse pressing mechanism, the transverse pressing mechanism is used for pushing the air inlet pipe in a transverse direction to enable the air inlet pipe to be pressed towards the second limiting groove, and the transverse pressing mechanism is matched with the second limiting groove and can limit transverse deviation and transverse deflection of the air inlet pipe.
Preferably, as an implementation mode, the second limiting groove is an L-shaped groove with a groove wall forming an acute angle, and one groove wall of the second limiting groove is vertically arranged;
and/or a pressing block is arranged at the working end of the transverse pressing mechanism, a third limiting groove is formed in the pressing block, the third limiting groove is an L-shaped groove with a downward notch and an obtuse angle formed between groove walls, and one groove wall of the third limiting groove is vertically arranged.
Preferably, as an implementation mode, a fourth limiting groove with an upward notch is formed in the second supporting block, the fourth limiting groove can accommodate the air inlet pipe, and a groove wall of the fourth limiting groove can limit lateral deviation and lateral deflection of the air inlet pipe.
Preferably, as an implementation mode, the fourth limiting groove is a groove with a semicircular cross section, the diameter of the fourth limiting groove is the same as the outer diameter of the air inlet pipe, and two semicircular ends of the fourth limiting groove are located on the same horizontal plane;
or, the fourth limiting groove is a U-shaped groove, and two groove walls of the fourth limiting groove are abutted to the corresponding pipe wall of the air outlet pipe.
Preferably, as an implementation mode, the limiting block, the first supporting block and/or the second supporting block are detachably connected with the base.
Compared with the prior art, the invention has the advantages that:
the invention provides a locking device which mainly comprises a base, a limiting block and a longitudinal pressing mechanism, wherein the limiting block is fixed on the base and is provided with a first limiting part. The base can support the bottom of the valve rod assembly to limit the downward freedom degree of the valve rod assembly; the first limiting part can limit the transverse deviation and the transverse deflection of the valve rod assembly so as to limit the transverse (left and right) freedom degree of the valve rod assembly; the longitudinal hold-down mechanism can limit longitudinal offset and longitudinal tilt of the valve stem assembly and the air inlet tube to limit longitudinal (front and rear) freedom of the valve stem assembly.
In summary, the locking device provided by the invention can limit the freedom degrees of the valve rod assembly in 5 directions (front, back, left, right and lower), and the self gravity of the valve rod assembly can limit the freedom degree of the valve rod assembly in the other direction (up), i.e. the valve rod assembly can be limited in the preset position, no deviation or inclination in any direction occurs, and the positioning effect is good, so that the assembling quality and the stability of the air inlet pipe and the valve rod assembly can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an assembled inlet manifold and valve stem assembly utilizing a prior art fixture;
FIG. 2 is an assembled inlet manifold and valve stem assembly utilizing a locking apparatus provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic top view of an air inlet pipe and valve stem assembly of a locking device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a right-view structural view of a locking air inlet pipe and valve rod assembly of the locking device provided in the embodiment of the present invention;
FIG. 5 is a schematic perspective view of a locking device for locking an intake pipe and a valve stem assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of an assembly structure of a limiting block and a valve rod assembly in the locking device according to the present invention;
fig. 7 is a schematic view of an assembly structure of a second support block and an air inlet pipe in the locking device according to the embodiment of the present invention;
fig. 8 is a schematic view of an assembly structure of a first support block, a compression block and an air inlet pipe in the locking device according to the embodiment of the present invention;
fig. 9 is a schematic perspective view of a locking device according to an embodiment of the present invention;
fig. 10 is a schematic top view of a locking device according to an embodiment of the present invention;
fig. 11 is a rear view schematic structural diagram of a locking device according to an embodiment of the present invention.
Icon: 10-a base; 20-a limiting block; 30-a longitudinal hold-down mechanism; 40-a first support block; 50-a second support block; 60-a transverse hold-down mechanism; 70-an air inlet pipe; 80-a valve stem assembly; 90-manual valve control mechanism;
21-a first limiting part; 22-a second stop;
61-a compression block;
and 81-air outlet pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 3-6 and fig. 9-11, the locking device provided in this embodiment mainly includes a base 10, a limiting block 20, and a longitudinal pressing mechanism 30, wherein the limiting block 20 is fixed on the base 10, and the limiting block 20 has a first limiting portion 21. The base 10 can support the bottom of the valve rod assembly 80 to limit the downward freedom of the valve rod assembly 80; the first stopper portion 21 can limit lateral offset and lateral deflection of the valve stem assembly 80 to limit lateral (left, right) degrees of freedom of the valve stem assembly 80; the longitudinal pressing mechanism 30 can limit the longitudinal offset and longitudinal inclination of the valve stem assembly 80 and the intake pipe 70 to limit the longitudinal (front and rear) freedom of the valve stem assembly 80.
In summary, the locking device provided in this embodiment can limit the degrees of freedom of the valve rod assembly 80 in 5 directions (front, back, left, right, and down), and the self-gravity of the valve rod assembly 80 can limit the degree of freedom of the valve rod assembly 80 in another direction (up), that is, the valve rod assembly 80 can be limited to its preset position, and no deviation or inclination in any direction (as shown in fig. 2) occurs, so that the positioning effect is good; obviously, the quality of the assembly of the air inlet pipe 70 and the valve rod assembly 80 which are assembled by positioning the locking device provided by the embodiment in fig. 2 is higher than that of the air inlet pipe 70 and the valve rod assembly 80 which are assembled by positioning the locking device provided by the prior art in fig. 1, that is, the quality of the assembly of the air inlet pipe 70 and the valve rod assembly 80 and the stability thereof can be improved by the locking device provided by the embodiment.
Specifically, referring to fig. 6 and 9-11, the first limiting portion 21 is a first limiting groove with an upward notch formed on the limiting block 20, and the first limiting groove can accommodate the air outlet pipe 81 on the valve rod assembly 80, and make the groove wall of the first limiting groove limit the lateral deviation and lateral deflection of the air outlet pipe 81 on the valve rod assembly 80.
It should be noted that, because the outer wall of the outlet pipe 81 on the valve rod assembly 80 is a cylindrical surface, and when the outlet pipe 81 on the valve rod assembly 80 is placed in the first limiting groove, the axial direction of the outlet pipe 81 on the valve rod assembly 80 is the same as the compressing direction of the longitudinal compressing mechanism 30, if the outlet pipe 81 on the valve rod assembly 80 longitudinally moves relative to the first limiting groove, the outer diameter of the part of the outlet pipe 81 contacting with the groove wall of a certain cross section of the first limiting groove will not change, on one hand, when the valve rod assembly 80 is placed, only the valve rod assembly 80 needs to be placed on the base 10, and the outlet pipe 81 on the valve rod assembly 80 is placed in the first limiting groove, and it is not necessary to consider whether the valve rod assembly 80 is accurately placed at a preset position, so as to improve the efficiency, if the valve rod assembly 80 is out of position, when the longitudinal compressing mechanism 30 pushes the inlet pipe 70 to longitudinally move, indirectly pushing the valve rod assembly 80 abutting against the air inlet pipe 70 to move along the longitudinal direction, so that the valve rod assembly 80 can reach a preset position; on the other hand, the processing difficulty of the first limiting groove is convenient to reduce; in addition, because the outer surface of the air outlet pipe 81 on the valve body assembly is a smooth curved surface, in the process that the valve body assembly is pushed by the longitudinal pressing mechanism 30, the abrasion of the valve rod assembly 80 and the first limiting part 21 is small, and the service life of the limiting block 20 is conveniently prolonged.
Further, the first limiting groove can be in one-to-one correspondence with the air outlet pipes 81 on the valve rod assembly 80, so that all the air outlet pipes 81 on the valve rod assembly 80 can be limited by the first limiting groove, and the limiting effect can be improved.
As an implementation mode, referring to fig. 6, 9 and 11, the first limiting groove is a groove with a semicircular cross section, and the diameter of the first limiting groove is the same as the outer diameter of the corresponding air outlet pipe 81, so that the first limiting groove is equivalent to the profiling structure of the corresponding air outlet pipe 81, and the limiting effect is better; the semicircular two ends of the first limiting groove are located on the same horizontal plane, on one hand, the air outlet pipe 81 on the valve rod assembly 80 is convenient to place into the first limiting groove, and on the other hand, the transverse limiting function of the first limiting groove on the air outlet pipe 81 can be fully exerted.
As another possible implementation manner, the first limiting groove may be provided as a U-shaped groove, and both groove walls of the first limiting groove abut against the corresponding pipe wall of the air outlet pipe 81, so as to limit the lateral movement and the lateral deflection of the air outlet pipe 81 by using the two groove walls of the first limiting groove.
It should be noted that the first limiting groove may be configured in other shapes as long as the effect of limiting the lateral movement and the lateral deflection of the air outlet pipe 81 can be achieved.
Referring to fig. 3, 5 and 9, the stopper 20 further has a second stopper portion 22, and the longitudinal pressing mechanism 30 can also push the air inlet pipe 70 in the longitudinal direction, so that the air inlet pipe 70 moves towards the air inlet on the valve rod assembly 80 under the action of thrust until the air inlet pipe 70 is abutted by the valve rod assembly 80, at this time, the longitudinal pressing mechanism 30 can be matched with the second limiting part 22, so that the valve rod assembly 80 and the air inlet pipe 70 can be squeezed between the longitudinal pressing mechanism 30 and the second limiting part 22, not only the valve rod assembly 80 and the air inlet pipe 70 can be subjected to a longitudinal group of balance force, so as to limit the longitudinal freedom degree of the valve rod assembly 80 and the air inlet pipe 70, realize the butt joint of an air outlet on the air inlet pipe 70 and an air inlet on the valve rod assembly 80, so as to be convenient for the fixed connection in next step, need not to add other pushing mechanism, be convenient for simplify the structure, save the cost.
Specifically, the second limiting portion 22 is a side wall of the limiting block 20 perpendicular to the pressing direction of the longitudinal pressing mechanism 30, and when the valve rod assembly 80 is extruded with the vertical side wall of the limiting block 20, the valve rod assembly 80 can receive uniform longitudinal extrusion force, so that the probability of lateral deflection or longitudinal inclination of the valve rod assembly 80 can be reduced.
Preferably, referring to fig. 3-5 and 7-11, a first support block 40 and a second support block 50 may be fixedly disposed on the base 10, so that the longitudinal pipe portion of the air inlet pipe 70 supported by the first support block 40 is close to one end of the transverse pipe portion, and the longitudinal pipe portion of the air inlet pipe 70 supported by the second support block 50 is away from one end of the transverse pipe portion, so that the air inlet pipe 70 can be lifted to a specific height under the cooperation of the first support block 40 and the second support block 50, so that the air outlet of the air inlet pipe 70 can be at the same height as the air outlet of the valve stem assembly 80; in addition, when the longitudinal pressing mechanism 30 pushes the air inlet pipe 70 to move longitudinally, the longitudinal pipe portion of the air inlet pipe 70 does not separate from the first supporting block 40 and the second supporting block 50, so that the first supporting block 40 and the second supporting block 50 can both have proper lifting and positioning effects on the air inlet pipe 70 in the longitudinal movement process of the air inlet pipe 70.
Specifically, referring to fig. 5 and 8-10, a second limiting groove with an upward notch may be formed on the first supporting block 40, so that the air inlet pipe 70 can be placed in the second limiting groove and can be supported by the first supporting block 40; the specific structure of the locking device provided by the embodiment further includes a transverse pressing mechanism 60, the transverse pressing mechanism 60 can push the air inlet pipe 70 along the transverse direction to press the air inlet pipe 70 in the second limiting groove to the second limiting groove, so that under the cooperation effect of the transverse pressing mechanism 60 and the second limiting groove, the air inlet pipe 70 can be clamped between the second limiting groove and the transverse pressing mechanism 60, thereby limiting the transverse deviation and the transverse deflection of the air inlet pipe 70, improving the positioning effect of the air inlet pipe 70, and further improving the assembling quality and the quality stability of the air inlet pipe 70 and the valve rod assembly 80.
Further, referring to fig. 8, the second limiting groove may be an L-shaped groove with a groove wall forming an acute angle, and one groove wall of the second limiting groove is vertically arranged, that is, the other groove wall of the second limiting groove may be inclined downward from outside to inside, on one hand, after the air inlet pipe 70 is placed in the second limiting groove, the inclined groove wall of the second limiting groove may form a certain limit to the air inlet pipe 70, so as to prevent the air inlet pipe 70 from rolling out of the second limiting groove; on the other hand, the second limiting groove is formed as an L-shaped groove, which can reduce the contact area between the second limiting groove and the air inlet pipe 70, thereby reducing the abrasion generated between the air inlet pipe 70 and the second limiting groove when the longitudinal pressing mechanism 30 presses the air inlet pipe 70.
Referring to fig. 5 and 8, a pressing block 61 may be disposed at the working end of the transverse pressing mechanism 60, a third limiting groove is disposed on the pressing block 61, the third limiting groove is an L-shaped groove with a downward notch and an obtuse-angled groove wall, and one groove wall of the third limiting groove is vertically disposed, that is, the other groove wall of the third limiting groove is inclined from outside to inside, on the one hand, when the pressing block 61 on the transverse pressing mechanism 60 is pressed toward the first support block 40, the third limiting groove on the pressing block 61 can be effectively utilized to press the air inlet pipe 70; on the other hand, the inclined groove wall of the third stopper groove can apply a downward inclined pressure to the intake duct 70, so that the longitudinal deviation and longitudinal deflection of the intake duct 70 can be restricted in combination with the supporting function of the inclined groove wall of the second stopper groove.
Specifically, referring to fig. 7, a fourth limiting groove with an upward notch is formed in the second supporting block 50, so that the air inlet pipe 70 can be placed in the fourth limiting groove and can be supported by the second supporting block 50; the groove wall of the fourth limiting groove can limit the transverse deviation and the transverse deflection of the air inlet pipe 70, so that the positioning effect of the air inlet pipe 70 is further improved, and the assembling quality and the quality stability of the air inlet pipe 70 and the valve rod assembly 80 are improved.
As an implementation manner, referring to fig. 7, 9 and 11, the fourth limiting groove may be a groove with a semicircular cross section, and the diameter of the fourth limiting groove is set to be the same as the outer diameter of the air inlet pipe 70, so that the fourth limiting groove is equivalent to the profiling structure of the air inlet pipe 70, and the limiting effect is better; and make the semicircular both ends of fourth spacing groove set up on the coplanar, on the one hand, be convenient for put into the fourth spacing inslot with intake pipe 70, on the other hand, can fully exert the horizontal limit function of fourth spacing groove to intake pipe 70.
As another possible implementation manner, the fourth limiting groove may be provided as a U-shaped groove, and both groove walls of the fourth limiting groove abut against the pipe wall of the air inlet pipe 70, so as to limit the lateral movement and the lateral deflection of the air inlet pipe 70 by using the two groove walls of the fourth limiting groove.
It should be noted that the fourth limiting groove may be configured in other shapes as long as the function of limiting the lateral movement and lateral deflection of the air inlet pipe 70 can be achieved.
Preferably, the limit block 20 and the base 10 can be detachably connected (e.g., screwed) so as to replace the limit block 20 according to the requirement of the valve rod assembly 80, thereby enhancing the adaptability of the locking device provided by this embodiment.
The first supporting block 40 and the base 10 can be detachably connected (e.g., screwed) so as to replace the first supporting block 40 according to the requirement of the air inlet pipe 70, thereby enhancing the adaptability of the locking device provided by this embodiment.
The second support block 50 and the base 10 can be detachably connected (e.g., screwed) to facilitate replacement of the second support block 50 according to the requirement of the air inlet pipe 70, so as to enhance the adaptability of the locking device provided in this embodiment.
Further, both the longitudinal pressing mechanism 30 and the lateral pressing mechanism 60 may use a cylinder as a power source.
Meanwhile, referring to fig. 3 to 5, a manual valve control mechanism 90 for controlling the extension and contraction of the cylinder may be installed on the base 10.
In summary, the present invention discloses a locking device that overcomes many of the technical shortcomings of the conventional fixture for positioning the air inlet tube 70 and the valve stem assembly 80. The locking device provided by the embodiment can limit the freedom degrees of 5 directions (front, back, left, right and lower) of the valve rod assembly 80, and the self gravity of the valve rod assembly 80 can limit the freedom degree of the other direction (upper) of the valve rod assembly 80, namely, the valve rod assembly 80 can be limited at the preset position, no deviation or inclination in any direction occurs, the positioning effect is good, and therefore, the assembling quality and the stability of the air inlet pipe 70 and the valve rod assembly 80 can be improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A locking device is characterized by comprising a base (10), a limiting block (20) and a longitudinal pressing mechanism (30), wherein the limiting block (20) is fixed on the base (10);
the base (10) is used for supporting the bottom of the valve rod assembly (80), the limiting block (20) is provided with a first limiting part (21), and the first limiting part (21) is used for limiting the transverse deviation and the transverse deflection of the valve rod assembly (80); the longitudinal pressing mechanism (30) is used for limiting the longitudinal deviation and the longitudinal inclination of the valve rod assembly (80) and the air inlet pipe (70).
2. The lock payment device according to claim 1, wherein the first position-limiting part (21) is a first position-limiting groove with an upward notch formed on the position-limiting block (20), the first position-limiting groove can accommodate the air outlet pipe (81) on the valve rod assembly (80), and the groove wall of the first position-limiting groove can limit the lateral deviation and the lateral deflection of the air outlet pipe (81) on the valve rod assembly (80); the first limiting grooves correspond to the air outlet pipes (81) on the valve rod assembly (80) one by one.
3. The locking device according to claim 2, wherein the first limiting groove is a groove with a semicircular cross section, the diameter of the first limiting groove is the same as the outer diameter of the corresponding air outlet pipe (81), and two semicircular ends of the first limiting groove are positioned on the same horizontal plane;
or, the first limiting groove is a U-shaped groove, and the two groove walls of the first limiting groove are used for being abutted to the pipe wall of the corresponding air outlet pipe (81).
4. The lock payment device according to claim 1, wherein the longitudinal pressing mechanism (30) is used for pushing the air inlet pipe (70) along the longitudinal direction to move the air inlet pipe (70) towards the air inlet on the valve rod assembly (80); the limiting block (20) is further provided with a second limiting part (22), the second limiting part (22) is a side wall, perpendicular to the compression direction, of the longitudinal compression mechanism (30) on the limiting block (20), and the longitudinal compression mechanism (30) is matched with the second limiting part (22) and used for limiting longitudinal deviation and longitudinal inclination of the valve rod assembly (80) and the air inlet pipe (70).
5. A locking and paying device according to any one of claims 1-4, characterized in that a first support block (40) and a second support block (50) are fixed on the base (10), the first support block (40) is used for supporting one end of the longitudinal pipe part of the air inlet pipe (70) close to the transverse pipe part, and the second support block (50) is used for supporting one end of the longitudinal pipe part of the air inlet pipe (70) far away from the transverse pipe part.
6. The locking device according to claim 5, wherein the first support block (40) is provided with a second limiting groove with an upward notch, and the second limiting groove can accommodate an air inlet pipe (70);
the locking device further comprises a transverse pressing mechanism (60), the transverse pressing mechanism (60) is used for pushing the air inlet pipe (70) in the transverse direction to enable the air inlet pipe (70) to be pressed towards the second limiting groove, and the transverse pressing mechanism (60) is matched with the second limiting groove and can limit transverse deviation and transverse deflection of the air inlet pipe (70).
7. The lock payment device of claim 6, wherein the second position-limiting groove is an L-shaped groove with acute-angled groove walls, and one of the groove walls of the second position-limiting groove is vertically arranged;
and/or, the working end of the transverse pressing mechanism (60) is provided with a pressing block (61), a third limiting groove is formed in the pressing block (61), the third limiting groove is an L-shaped groove with a downward notch and an obtuse angle formed in the groove wall, and one groove wall of the third limiting groove is vertically arranged.
8. The locking device according to claim 5, wherein the second support block (50) is provided with a fourth limiting groove with an upward notch, the fourth limiting groove can accommodate the air inlet pipe (70), and the groove wall of the fourth limiting groove can limit the lateral deviation and the lateral deflection of the air inlet pipe (70).
9. The lock pair device according to claim 8, wherein the fourth limiting groove is a groove with a semicircular cross section, the diameter of the fourth limiting groove is the same as the outer diameter of the air inlet pipe (70), and two semicircular ends of the fourth limiting groove are positioned on the same horizontal plane;
or, the fourth limiting groove is a U-shaped groove, and the two groove walls of the fourth limiting groove are abutted to the pipe wall of the corresponding air outlet pipe (81).
10. Locking device according to claim 5, characterized in that the limiting block (20), the first supporting block (40) and/or the second supporting block (50) are detachably connected to the base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263825.1A CN110744478A (en) | 2019-12-10 | 2019-12-10 | Locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263825.1A CN110744478A (en) | 2019-12-10 | 2019-12-10 | Locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110744478A true CN110744478A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911263825.1A Pending CN110744478A (en) | 2019-12-10 | 2019-12-10 | Locking device |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229834A (en) * | 1995-02-23 | 1996-09-10 | Misawa Homes Co Ltd | Pressure-assembling device for backing frame of triangular construction panel |
| JP2009097718A (en) * | 2007-09-28 | 2009-05-07 | Mitsuboshi Belting Ltd | Belt assembling device |
| CN203622276U (en) * | 2013-07-05 | 2014-06-04 | 杨元亭 | Assembly tool for valve plate of skeleton midline rubber-lined butterfly valve |
| WO2016156181A1 (en) * | 2015-04-01 | 2016-10-06 | Siemens Aktiengesellschaft | Alignment station for long goods having multiple movable carrier elements |
| CN206084873U (en) * | 2016-09-23 | 2017-04-12 | 丹阳市鑫泰医疗器材有限公司 | Help road wheel chair skeleton frock |
| CN206632584U (en) * | 2017-03-22 | 2017-11-14 | 上海斯瑞佛汽车零部件有限公司 | A kind of blast pipe weld jig |
| CN108098247A (en) * | 2018-02-12 | 2018-06-01 | 宁波麦特焊接有限公司 | A kind of tracheae positioning fixture |
| CN110181441A (en) * | 2019-05-24 | 2019-08-30 | 宁波奥克斯电气股份有限公司 | A kind of localization tool of shut-off valve |
| CN211414931U (en) * | 2019-12-10 | 2020-09-04 | 杭州老板电器股份有限公司 | Locking device |
-
2019
- 2019-12-10 CN CN201911263825.1A patent/CN110744478A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229834A (en) * | 1995-02-23 | 1996-09-10 | Misawa Homes Co Ltd | Pressure-assembling device for backing frame of triangular construction panel |
| JP2009097718A (en) * | 2007-09-28 | 2009-05-07 | Mitsuboshi Belting Ltd | Belt assembling device |
| CN203622276U (en) * | 2013-07-05 | 2014-06-04 | 杨元亭 | Assembly tool for valve plate of skeleton midline rubber-lined butterfly valve |
| WO2016156181A1 (en) * | 2015-04-01 | 2016-10-06 | Siemens Aktiengesellschaft | Alignment station for long goods having multiple movable carrier elements |
| CN206084873U (en) * | 2016-09-23 | 2017-04-12 | 丹阳市鑫泰医疗器材有限公司 | Help road wheel chair skeleton frock |
| CN206632584U (en) * | 2017-03-22 | 2017-11-14 | 上海斯瑞佛汽车零部件有限公司 | A kind of blast pipe weld jig |
| CN108098247A (en) * | 2018-02-12 | 2018-06-01 | 宁波麦特焊接有限公司 | A kind of tracheae positioning fixture |
| CN110181441A (en) * | 2019-05-24 | 2019-08-30 | 宁波奥克斯电气股份有限公司 | A kind of localization tool of shut-off valve |
| CN211414931U (en) * | 2019-12-10 | 2020-09-04 | 杭州老板电器股份有限公司 | Locking device |
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