CN211082948U - Manual reversing valve with enhanced sealing - Google Patents
Manual reversing valve with enhanced sealing Download PDFInfo
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- CN211082948U CN211082948U CN201921600918.4U CN201921600918U CN211082948U CN 211082948 U CN211082948 U CN 211082948U CN 201921600918 U CN201921600918 U CN 201921600918U CN 211082948 U CN211082948 U CN 211082948U
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Abstract
The utility model discloses a sealed manual switching-over valve of strengthening, include: the valve comprises a valve body, a valve sleeve and a valve core, wherein through holes corresponding to the valve sleeve are transversely formed in the valve body, 4 annular grooves are sequentially arranged in the through holes at intervals, first sealing rings located at two sides of the annular grooves are arranged on the valve sleeve, a first through hole, a second through hole, a third through hole and a fourth through hole which sequentially correspond to the 4 annular grooves are formed in the bottom of the valve sleeve, the valve core is arranged in the valve sleeve, a second sealing ring located in the front of the fourth through hole is arranged on the valve core, and a third sealing ring located behind the first through hole is arranged in the valve sleeve. In this way, sealed manual directional valve of strengthening, the structure of valve body has been simplified, is favorable to promoting the machining precision of valve barrel, more accurate with the cooperation of case, reduces the internal leakage problem to promote the external seal effect through first sealing washer, second sealing washer and third sealing washer, reduce the external leakage problem, it is easy and simple to handle.
Description
Technical Field
The utility model relates to a switching-over valve field especially relates to a sealed manual switching-over valve of strengthening.
Background
The reversing valve is one of valves, can change the flow direction of fluid in due time, realizes the reversing operation of an actuator, and has wide application in petroleum and chemical production.
The existing reversing valve is divided into a rotary valve type and a slide valve type according to the relative movement direction of a valve core and a valve body. The rotary valve type reversing valve needs to twist a valve core to change the flow direction of fluid, has a complex structure, is difficult to control the volume, has high requirement on sealing performance, is easy to cause leakage problem, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a sealed manual switching-over valve of strengthening, simplifies the structure, promotes sealed effect and operation convenience.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a seal-enhanced manual reversing valve comprising: the valve comprises a valve body, a valve sleeve and a valve core, wherein through holes corresponding to the valve sleeve are transversely formed in the valve body, the valve sleeve is arranged in the through holes, 4 annular grooves are sequentially arranged in the through holes at intervals, first sealing rings positioned at two sides of the annular grooves are arranged on the valve sleeve, an oil outlet T, an actuator port A, an oil inlet P and an actuator port B which are sequentially communicated with the 4 annular grooves are arranged on the outer side of the valve body, a first through hole, a second through hole, a third through hole and a fourth through hole which are sequentially communicated with the 4 annular grooves are arranged at the bottom of the valve sleeve, the valve core is arranged in the valve sleeve, a second sealing ring positioned in front of the fourth through hole is arranged on the valve core, a third sealing ring positioned behind the first through hole is arranged in the valve sleeve, a blind hole extending into the valve core is arranged at the front end or the rear end, The second control assembly comprises fifth through holes, sixth through holes and seventh through holes which are axially distributed at intervals and vertically communicated with the blind holes, the axial positions of the fifth through holes, the sixth through holes and the seventh through holes correspond to the first through holes, the second through holes and the fourth through holes one by one, the first control assembly comprises eighth through holes, first kidney-shaped grooves and ninth through holes which are axially distributed at intervals, the eighth through holes and the ninth through holes are distributed and vertically communicated with the blind holes, the axial positions of the eighth through holes and the ninth through holes correspond to the first through holes and the fourth through holes one by one, the axial position of the first kidney-shaped groove spans the second through holes and the third through holes, the third control assembly comprises second kidney-shaped grooves and third kidney-shaped grooves which are axially distributed at intervals, the axial position of the second kidney-shaped groove spans the first through holes and the second through holes, the axial position of the third kidney-shaped groove spans the third through hole and the fourth through hole.
In a preferred embodiment of the present invention, the first sealing ring is an O-ring.
In a preferred embodiment of the present invention, a first annular groove corresponding to the first sealing ring is disposed on the valve sleeve in an inward concave manner.
In a preferred embodiment of the present invention, the second seal ring and the third seal ring are X-sel seal rings, respectively.
In a preferred embodiment of the present invention, the valve core is provided with two second annular clamping grooves corresponding to the second sealing ring.
In a preferred embodiment of the present invention, a third annular groove corresponding to the third sealing ring is disposed in the valve housing inner wall.
In a preferred embodiment of the present invention, the blind hole opening is provided with a blocking screw.
In a preferred embodiment of the present invention, the circumferential angle between the first control assembly and the second control assembly is 90 °, and the circumferential angle between the second control assembly and the third control assembly is 90 °.
The utility model discloses a preferred embodiment, the valve body tail end is provided with and carries out spacing retaining ring with the valve barrel, the retaining ring adopts first screw to be connected with the valve body, be provided with crossing macropore and aperture on the retaining ring, the indent is provided with the fourth annular draw-in groove that corresponds with the aperture on the case, the valve body front end is provided with and carries out spacing panel to the valve barrel, the panel adopts the second screw to be connected with the valve body, the case front end extends to the panel outside, be provided with the twist grip on the case front end, the twist grip back is provided with bumps, be provided with three and bump the location pit that the pearl corresponds on the panel, the circumference contained angle of two adjacent location pits is 90.
In a preferred embodiment of the present invention, the valve housing top is provided with a buffer hole concentric with the third through hole.
The utility model has the advantages that: the utility model provides a sealed manual reversing valve of strengthening, valve barrel and case have been designed very much, the structure of valve body has been simplified, and be favorable to promoting the machining precision of valve barrel, it is more accurate with the cooperation of case, reduce the internal leakage problem, and through first sealing washer, second sealing washer and third sealing washer promote the external seal effect, reduce the external leakage problem, and is easy and simple to handle, specific operation can be realized to rotatory 90 degrees, and is small, compact structure, can be used to the control of low discharge liquid actuating mechanism, or be used for the guide's control of guide's formula switching-over valve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic view of a preferred embodiment of a seal enhanced hand operated directional control valve of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is a partial view of the bottom of the valve body of FIG. 1;
FIG. 5 is a schematic structural view of the oil outlet T, the actuator port A, the oil inlet P and the actuator port B in FIG. 1;
FIG. 6 is a schematic diagram of the valve cartridge of FIG. 1;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a top view of FIG. 8;
fig. 10 is a partial cross-sectional view of fig. 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 10, an embodiment of the present invention includes:
a seal-enhanced manual reversing valve as shown in fig. 1, comprising: valve body 3, valve barrel 4 and case 5, transversely be provided with the through-hole that corresponds with valve barrel 4 in the valve body 3, valve barrel 4 sets up in the through-hole, 3 tail ends of valve body are provided with and carry out spacing retaining ring 2 with valve barrel 4, retaining ring 2 adopts first screw 10 to be connected with valve body 3, and it is spacing to carry out the afterbody of valve barrel 4, 3 front ends of valve body are provided with and carry out spacing panel 6 to valve barrel 4, panel 6 adopts second screw 1 to be connected with valve body 3, as shown in fig. 3, realizes that the front end of valve barrel 4 is spacing, has promoted the installation convenience and the structural stability of valve barrel 4.
The valve core 5 is arranged in the valve sleeve 4, as shown in fig. 2, the retainer ring 2 is provided with a large hole 11 and a small hole which are intersected, as shown in fig. 10, the valve core 5 is concavely provided with a fourth annular clamping groove 9 corresponding to the small hole, and the fourth annular clamping groove 9 is matched with the small hole in the retainer ring 2, so that the axial limiting of the valve core 5 is realized, and the axial sliding problem is avoided. The valve sleeve 4 and the valve core 5 are specially designed, the structure of the valve body 3 is simplified, the machining precision of the valve sleeve 4 is improved, the valve sleeve and the valve core 5 are matched more precisely, and the problem of internal leakage is solved.
4 ring channels 14 are arranged in the through hole at intervals in sequence, first sealing rings 17 located on two sides of the ring channels 14 are arranged on the valve sleeve 4, the first sealing rings 17 are O-shaped sealing rings, first ring clamping grooves corresponding to the first sealing rings 17 are concavely arranged on the valve sleeve 4, installation and limiting of the first sealing rings 17 are facilitated, and sealing of two sides of the ring channels 14 is carried out. An oil outlet T, an actuator port A, an oil inlet P and an actuator port B which are sequentially and correspondingly communicated with the 4 annular grooves 14 are arranged on the outer side of the valve body 3, as shown in the attached drawing 4, the tail ends of the oil outlet T, the actuator port A, the oil inlet P and the actuator port B are concentrated at the bottom of the valve body 3, and the structure is compact.
The valve sleeve is characterized in that a first through hole 41, a second through hole 42, a third through hole 43 and a fourth through hole 44 which correspond to the 4 annular grooves in sequence are arranged at the bottom of the valve sleeve 4, a second sealing ring 16 located in front of the fourth through hole 44 is arranged on the valve core 5, and two second annular clamping grooves 13 corresponding to the second sealing ring 16 are arranged on the valve core 5 in an inwards concave mode. The valve sleeve 4 is internally provided with a third sealing ring 18 positioned behind the first through hole 41, a third annular clamping groove corresponding to the third sealing ring 18 is concavely arranged in the inner wall of the valve sleeve 4, the installation is convenient, the second sealing ring 16 and the third sealing ring 18 are respectively X-sel sealing rings, the sealing of the valve core 5 and the valve sleeve 4 is realized, and the problem of external leakage is avoided.
As shown in fig. 10, a blind hole 8 extending into the valve core 5 is formed in the front end or the rear end of the valve core, and a plugging screw is arranged at an opening of the blind hole 8 to avoid the leakage problem. The outer circle of the valve core 5 is circumferentially provided with a first control assembly, a second control assembly and a third control assembly at intervals in sequence, and through rotation of the valve core 5, fluid control is achieved through the corresponding first control assembly, the corresponding second control assembly or the corresponding third control assembly. The circumferential included angle between the first control assembly and the second control assembly is 90 degrees, the circumferential included angle between the second control assembly and the third control assembly is 90 degrees, and the operation is rotated by 90 degrees every time, so that the operation is simple and convenient. The front end of the valve core 5 extends to the outer side of the panel 6, the front end of the valve core is provided with a rotating handle 7, the back of the rotating handle 7 is provided with a collision bead 15, the panel 6 is provided with three positioning concave points 12 corresponding to the collision bead 15, the circumferential included angle of the two adjacent positioning concave points is 90 degrees, and the convenience of the rotating operation of the valve core 5 and the stability of angle keeping are improved.
As shown in fig. 7, the second control assembly includes fifth through holes 21, sixth through holes 22, and seventh through holes 23 which are axially spaced and vertically communicated with the blind hole 8, axial positions of the fifth through holes 21, sixth through holes 22, and seventh through holes 23 are in one-to-one correspondence with the first through holes 41, the second through holes 42, and the fourth through holes 44, as shown in fig. 5, the handle 7 is in a vertical state, the oil outlet T, the actuator port a, and the actuator port B are communicated, and the oil inlet P is blocked and is in a shutdown state.
As shown in fig. 8, the first control assembly includes eighth through holes 24, first kidney-shaped grooves 25 and ninth through holes 26 which are axially spaced, the eighth through holes 24 and the ninth through holes 26 are distributed and vertically communicated with the blind hole 8, the axial positions of the eighth through holes 24 and the ninth through holes 26 are in one-to-one correspondence with the first through holes 41 and the fourth through holes 44, the axial position of the first kidney-shaped groove 25 crosses the second through hole 42 and the third through hole 43, the handle 7 is rotated leftwards, the oil outlet T is communicated with the actuator port B, the actuator port a is communicated with the oil inlet P, and the actuator is in a forward rotation state.
As shown in fig. 6, the third control component includes a second kidney-shaped groove 19 and a third kidney-shaped groove 20 which are axially distributed at intervals, an axial position of the second kidney-shaped groove 19 spans a first through hole 41 and a second through hole 42, an axial position of the third kidney-shaped groove 20 spans a third through hole 43 and a fourth through hole 44, the rotating handle 7 is rotated rightwards, through the matching of the second kidney-shaped groove 19 and the third kidney-shaped groove 20 with the annular groove 14, the communication between the oil outlet T and the actuator port a is realized, the communication between the actuator port B and the oil inlet P is realized, and the actuator is in a reverse rotation state.
The top of the valve sleeve 4 is provided with a buffer hole 45 concentric with the third through hole 43, and when the valve sleeve is reversed, the buffer hole 45 can be communicated with the third kidney-shaped groove 20 or the first kidney-shaped groove 25, so that part of fluid is led in to realize buffering, and the impact and the damage of the reversing valve are reduced.
To sum up, the utility model discloses a sealed manual switching-over valve of strengthening, compact structure, flexible operation has realized the enhancement of inside and outside seal, has reduced the fluid leakage problem.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (10)
1. A seal-enhanced manual reversing valve, comprising: the valve comprises a valve body, a valve sleeve and a valve core, wherein through holes corresponding to the valve sleeve are transversely formed in the valve body, the valve sleeve is arranged in the through holes, 4 annular grooves are sequentially arranged in the through holes at intervals, first sealing rings positioned at two sides of the annular grooves are arranged on the valve sleeve, an oil outlet T, an actuator port A, an oil inlet P and an actuator port B which are sequentially communicated with the 4 annular grooves are arranged on the outer side of the valve body, a first through hole, a second through hole, a third through hole and a fourth through hole which are sequentially communicated with the 4 annular grooves are arranged at the bottom of the valve sleeve, the valve core is arranged in the valve sleeve, a second sealing ring positioned in front of the fourth through hole is arranged on the valve core, a third sealing ring positioned behind the first through hole is arranged in the valve sleeve, a blind hole extending into the valve core is arranged at the front end or the rear end, The second control assembly comprises fifth through holes, sixth through holes and seventh through holes which are axially distributed at intervals and vertically communicated with the blind holes, the axial positions of the fifth through holes, the sixth through holes and the seventh through holes correspond to the first through holes, the second through holes and the fourth through holes one by one, the first control assembly comprises eighth through holes, first kidney-shaped grooves and ninth through holes which are axially distributed at intervals, the eighth through holes and the ninth through holes are distributed and vertically communicated with the blind holes, the axial positions of the eighth through holes and the ninth through holes correspond to the first through holes and the fourth through holes one by one, the axial position of the first kidney-shaped groove spans the second through holes and the third through holes, the third control assembly comprises second kidney-shaped grooves and third kidney-shaped grooves which are axially distributed at intervals, the axial position of the second kidney-shaped groove spans the first through holes and the second through holes, the axial position of the third kidney-shaped groove spans the third through hole and the fourth through hole.
2. The seal enhanced manual reversing valve of claim 1, wherein the first seal ring is an O-ring seal.
3. The seal enhanced manual reversing valve according to claim 1, wherein a first annular groove corresponding to the first sealing ring is concavely arranged on the valve sleeve.
4. The seal enhanced manual reversing valve of claim 1, wherein the second and third seal rings are each an X-sel seal ring.
5. The seal enhanced manual reversing valve according to claim 1, wherein the valve core is provided with two second annular clamping grooves corresponding to the second sealing rings in a concave manner.
6. The seal enhanced manual reversing valve according to claim 1, wherein a third annular clamping groove corresponding to a third sealing ring is concavely arranged in the inner wall of the valve sleeve.
7. The seal enhanced manual reversing valve of claim 1, wherein the blind bore opening is provided with a blocking screw.
8. The seal enhanced manual reversing valve of claim 1, wherein the first control assembly is circumferentially angled 90 ° from the second control assembly, and the second control assembly is circumferentially angled 90 ° from the third control assembly.
9. The manual reversing valve with the enhanced sealing function according to claim 8, wherein a retainer ring for limiting the valve sleeve is arranged at the tail end of the valve body, the retainer ring is connected with the valve body by a first screw, a large hole and a small hole which are intersected are formed in the retainer ring, a fourth annular clamping groove corresponding to the small hole is concavely formed in the valve core, a panel for limiting the valve sleeve is arranged at the front end of the valve body, the panel is connected with the valve body by a second screw, the front end of the valve core extends to the outer side of the panel, a rotating handle is arranged at the front end of the valve core, a collision bead is arranged on the back of the rotating handle, three positioning concave points corresponding to the collision bead are arranged on the panel, and the circumferential included angle between every two adjacent positioning concave points is 90 °.
10. The seal enhanced manual reversing valve of claim 9, wherein the valve housing top portion is provided with a relief bore concentric with the third through bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600918.4U CN211082948U (en) | 2019-09-25 | 2019-09-25 | Manual reversing valve with enhanced sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600918.4U CN211082948U (en) | 2019-09-25 | 2019-09-25 | Manual reversing valve with enhanced sealing |
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| Publication Number | Publication Date |
|---|---|
| CN211082948U true CN211082948U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921600918.4U Active CN211082948U (en) | 2019-09-25 | 2019-09-25 | Manual reversing valve with enhanced sealing |
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| CN (1) | CN211082948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608298A (en) * | 2019-09-25 | 2019-12-24 | 昆山海芯机电科技有限公司 | Manual reversing valve with enhanced sealing |
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2019
- 2019-09-25 CN CN201921600918.4U patent/CN211082948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608298A (en) * | 2019-09-25 | 2019-12-24 | 昆山海芯机电科技有限公司 | Manual reversing valve with enhanced sealing |
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