CN218488244U - Valve spanner - Google Patents

Abstract

The utility model relates to a technical field of spanner especially relates to a valve spanner. The valve wrench comprises a handle, wherein a fixed body is arranged at one end of the handle, at least three clamping jaws are arranged on the fixed body at intervals in the circumferential direction, each clamping jaw is hinged on the fixed body and can swing relatively to achieve mutual approaching and separation, and the valve wrench also comprises a locking structure which is used for locking after each clamping jaw swings relatively to adjust in place; each jack catch all has relative inboard and the outside that carries on the back mutually, and each jack catch can swing the adjustment relatively so that the outside of the inboard card of jack catch wheel disc rotates with pulling the hand wheel in the hand wheel, and each jack catch can also swing the adjustment relatively so that the outside card of jack catch rotates with pulling the hand wheel in the region that is formed by wheel disc, two adjacent spokes.

Description

Valve spanner

Technical Field

The utility model relates to a technical field of spanner especially relates to a valve spanner.

Background

In the production device of chemical enterprises, various types of pipeline valves are distributed, and due to frequent opening and closing, medium corrosion and other reasons, phenomena such as abrasion of sealing parts, increase of friction coefficient and the like often occur in a stop valve or a gate valve with a large part of drift diameter, so that manual operation of the valve is time-consuming and labor-consuming, and the valve cannot be closed tightly or opened fully.

Realize through the hand wheel on the rotation valve usually during the ooff valve, the hand wheel includes the circular shape rim plate and along a plurality of spokes of rim plate circumference equidistant arrangement, and present more chemical industry enterprise adopts fixed F spanner as ooff valve's instrument, when using fixed F spanner, earlier with fixed F spanner card on the spoke then pull fixed F spanner, realize opening and closing of valve. However, the fixed F wrench has great limitations, and because the two clamping rods of the fixed F wrench are fixed, when the diameter of the hand wheel is larger, the diameter of the spoke of the hand wheel is correspondingly increased, and the two clamping rods of the fixed F wrench cannot be clamped on the spoke; when the hand wheel diameter is less, the spoke diameter of hand wheel corresponds and reduces, and the back is gone up at the spoke with fixed F spanner card to the staff, has the clearance between two kellies of fixed F spanner and the spoke, and the phenomenon of skidding can appear in the in-process that the staff pulled fixed F spanner, and the staff pulled fixed F spanner hard just unsafe like this, still can damage the hand wheel sometimes. Therefore, in the routine maintenance process, a worker needs to carry a plurality of fixed F wrenches with different specifications to match the handwheels adapting to various specifications. In summary, the conventional fixed F wrench can only be adapted to a hand wheel with a single specification, and has a problem of poor versatility.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve spanner to solve the relatively poor technical problem of current fixed F spanner commonality.

The utility model discloses a valve spanner's technical scheme is:

the valve wrench comprises a handle, wherein a fixed body is arranged at one end of the handle, at least three clamping jaws are arranged on the fixed body at intervals in the circumferential direction, each clamping jaw is hinged on the fixed body and can swing relatively to achieve mutual approaching and separation, and the valve wrench also comprises a locking structure which is used for locking after each clamping jaw swings relatively to adjust in place; each jack catch all has relative inboard and the outside that carries on the back mutually, and each jack catch can swing the adjustment relatively so that the outside of the inboard card of jack catch wheel disc rotates with pulling the hand wheel in the hand wheel, and each jack catch can also swing the adjustment relatively so that the outside card of jack catch rotates with pulling the hand wheel in the region that is formed by wheel disc, two adjacent spokes.

Has the beneficial effects that: when the size of the hand wheel is larger, each clamping jaw of the valve wrench is positioned in an area enclosed by two adjacent spokes of the hand wheel and the wheel disc, the outer sides of the clamping jaws respectively and correspondingly abut against the spokes and the wheel disc, and then the handle is pulled to drive the hand wheel to rotate; when the size of the hand wheel is small, the inner sides of the clamping claws can be abutted against the outer part of the wheel disc at the moment, and then the handle is pulled to drive the hand wheel to rotate. The utility model discloses a valve spanner can adjust the swing angle of jack catch according to the difference of hand wheel size when using, and the adjustment finishes back accessible locking structure and locks the jack catch fixedly for the jack catch can block not unidimensional hand wheel with the adaptation, and the commonality is better.

Furthermore, the fixed body is circular fixed body, and each jack catch is along the circumference equipartition of circular fixed body on circular fixed body, and the coaxial center post that has set firmly on the circular fixed body, valve spanner still include the slip ring of slip suit in the outside of center post, and it has the connecting rod all to articulate between slip ring and each jack catch, and the ring that slides can follow center post reciprocating motion in order to drive each jack catch relative swing through the connecting rod.

Has the advantages that: each jack catch all is articulated through connecting rod and slip ring, and the control can drive each jack catch synchronous oscillation when slipping the ring and sliding along the center post, and is more swift high-efficient when adjusting the swing angle of jack catch like this.

Furthermore, the locking structure comprises a locking body movably or detachably arranged on the central column, and the locking body is used for being matched with the sliding ring in a blocking manner along the axial direction of the central column so as to limit the sliding ring after the sliding ring is adjusted in place.

Has the advantages that: the sliding ring is limited in a blocking and matching mode of the locking body and the sliding ring, so that the structure is more compact and the adjustment is convenient.

Furthermore, the center post is provided with at least two center post through holes at intervals along the axial direction, the center post through holes extend along the radial direction of the center post, the slip ring is provided with a slip ring through hole extending along the radial direction, and the locking body is a locking shaft body which penetrates through the slip ring through hole and penetrates through the center post through hole.

Has the advantages that: the mode that adopts the locking axis body to wear to adorn in corresponding slip ring perforation, center post perforation carries on spacingly to the slip ring, and it is comparatively convenient to operate.

Furthermore, a chain is arranged between one of the central column and the slip ring and the locking shaft body to prevent the locking shaft body from being lost.

Has the beneficial effects that: the locking shaft can be connected to the sliding ring or the central column through a chain and is not easy to lose.

Furthermore, one end of the central column is arranged on the circular fixed body, the other end of the central column is provided with a stopping flange, at least two central column through holes are axially arranged on the central column at intervals, the locking body is a locking shaft body penetrating into the central column through holes, and the locking shaft body is used for being matched with the end face of the sliding ring in a stopping manner and matched with the circular fixed body or the stopping flange to limit the sliding ring.

Has the advantages that: the sliding ring does not need to be perforated, so that the processing is more convenient.

Furthermore, the valve wrench also comprises a stop lever arranged at one end of each clamping jaw far away from the fixed body, and the stop lever is used for being matched with the hand wheel in a stop manner when each clamping jaw is clamped in an area formed by the wheel disc and the two adjacent spokes so as to prevent the valve wrench from falling off.

Has the advantages that: the phenomenon that a valve wrench is separated from a hand wheel and injures workers by smashing can be effectively avoided.

Further, the included angle between the stop lever and the outer side of the clamping jaw is larger than 90 degrees.

Has the advantages that: the included angle between the stop lever and the outer side of the claw is set to be larger than 90 degrees, and the claw cannot be interfered with the top pressing fit of the spoke and the wheel disc.

Furthermore, the cross section of the clamping jaw is square, so that the inner side and the outer side of the clamping jaw are both planes.

Has the beneficial effects that: when the inner side and the outer side of the clamping jaw are planes, the clamping jaw can be clamped on a hand wheel more stably and is not easy to slide during operation.

Furthermore, one end of the handle is provided with a ratchet wheel, and the fixing body is fixedly arranged on the ratchet wheel.

Has the advantages that: the jack catch is installed on the ratchet wheel through the fixed body, can operate fast when the inboard rim plate that blocks of jack catch outside.

Drawings

Fig. 1 is a schematic structural view of a valve wrench according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of another view angle in embodiment 1 of the valve wrench of the present invention;

fig. 3 is a schematic structural view of the hand wheel.

Description of reference numerals: 1. a handle; 2. a ratchet barrel; 3. fixing the disc; 4. a central column; 5. a claw; 6. a stop lever; 7. a protrusion; 8. a mandrel; 9. stopping the end head; 10. a slip ring; 11. a connecting rod; 12. a central column through hole; 13. locking the shaft body; 14. a chain; 15. spokes; 16. a wheel disc; 17. a sector area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

It is to be noted that, in the detailed description of the present invention, terms such as "first" and "second" may be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationship or order exists between such entities or operations. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises a component of 8230; \8230;" comprises an element of 8230; "etc. may occur does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the component.

In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" should be understood broadly, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be described in further detail with reference to examples.

The utility model discloses in embodiment 1 of the valve spanner that provides:

as shown in fig. 1, 2 and 3, the valve wrench includes a handle 1, a ratchet cylinder 2, a fixed plate 3 fixed on the ratchet cylinder 2, a central column 4 fixed on the fixed plate 3, and a jaw 5 movably mounted on the fixed plate 3. One end of the handle 1 is provided with a ratchet wheel which is provided with a polygon prism for fixing the ratchet wheel cylinder body 2. When the valve is rotated by using the valve wrench, the clamping jaws 5 clamp a hand wheel of the valve, and then the hand handle 1 is held to pull the hand wheel to rotate, so that the valve is opened and closed.

It should be noted that the handle 1 and the ratchet constitute a ratchet wrench in the prior art, and in this embodiment, the ratchet wrench can rotate in two directions, and only the direction change piece on the ratchet wrench needs to be adjusted to control the rotation direction of the ratchet, and the specific working principle and the detailed structure of the ratchet wrench refer to the structure of the ratchet wrench disclosed in the chinese patent with the publication number CN 112548918B.

As shown in fig. 1 and 2, the ratchet cylinder 2 is a cylinder, the fixed disk 3 is a circular disk having a diameter identical to that of the ratchet cylinder 2, the central column 4 is a cylinder located at the center of the fixed disk 3, and the central column 4 coincides with the axes of the fixed disk 3, the ratchet cylinder 2, and the ratchet. The ratchet cylinder 2 and the fixed disc 3 form a fixed body fixed on the polygon prism of the ratchet.

In the present embodiment, the fixed disk 3 and the ratchet cylinder 2, and the fixed disk 3 and the central column 4 are all welded and fixed.

In this embodiment, the ratchet barrel 2 has a mounting hole on one side for fixing with the ratchet, the mounting hole and the polygon prism adaptation on the ratchet, the polygon prism is used for clamping in the mounting hole in order to realize the removable fixing between ratchet barrel 2 and the ratchet.

In this embodiment, jack catch 5 is provided with three and follows the hoop equipartition of fixed disk 3, and each jack catch 5 all articulates on fixed disk 3 to each jack catch 5 can swing relatively in order to realize drawing close each other and keeping away from. The positions, corresponding to the clamping jaws 5, of the fixed disc 3 are provided with mandrels 8, the clamping jaws 5 are provided with through holes for the mandrels 8 to penetrate through, so that the clamping jaws 5 can penetrate through the mandrels 8, and the clamping jaws 5 can swing around the mandrels 8 in a reciprocating mode. Two ends of the mandrel 8 are provided with stop end heads 9, and the stop end heads 9 are used for being matched with the clamping jaws 5 in a stop mode so as to prevent the clamping jaws 5 from falling off the mandrel 8. The stopping end heads 9 and the mandrel 8, and the stopping end heads 9 at the two ends of the mandrel 8 and the fixed disc 3 are fixed by welding.

In order to facilitate the control and adjustment of the swing angle of the jaw 5, the valve wrench further comprises a sliding ring 10 movably sleeved outside the central column 4 and a connecting rod 11 hinged between the jaw 5 and the sliding ring 10. The sliding ring 10 is an annular sleeve body, a central hole of the annular sleeve body is used for the central column 4 to pass through, and two ends of the connecting rod 11 are respectively hinged on the sliding ring 10 and the clamping jaw 5. As shown in fig. 1 and 2, when the sliding ring 10 moves downward along the central column 4, the sliding ring 10 drives the jaws 5 to approach each other through the connecting rod 11, and when the sliding ring 10 moves upward along the central column 4, the sliding ring 10 drives the jaws 5 to move away from each other through the connecting rod 11. In addition, the bottom of the central column 4 is fixed to the fixed disk 3, and the top of the central column is provided with a stopping flange which is used for being matched with the sliding ring 10 in a stopping manner so as to prevent the sliding ring 10 from being separated from the top of the central column 4. It should be noted that the terms upper, lower and the like herein used for orientation are used in the description with reference to the drawings and do not refer to the orientation during actual use.

The valve wrench also comprises a locking structure for locking the clamping jaw 5 after the clamping jaw 5 is adjusted to swing relatively. The locking structure comprises a central column through hole 12 arranged on the central column 4, a slip ring through hole arranged on the slip ring 10 and a locking shaft body 13 which is arranged in the central column through hole 12 and the slip ring through hole in a penetrating mode when the central column through hole 12 and the slip ring through hole are correspondingly communicated. In the present embodiment, the central column through hole 12 is a through hole extending along the radial direction of the central column 4, the slip ring through hole is a through hole extending along the radial direction of the slip ring 10, the central column through hole 12 is provided in plurality, and each central column through hole 12 is arranged at equal intervals along the extending direction of the central column 4. When the slip ring 10 moves to the position where the slip ring through hole is correspondingly communicated with the center post through hole 12, the locking shaft body 13 is inserted into the corresponding center post through hole 12 and slip ring through hole to fix the slip ring 10 and the center post 4, and further fix the clamping jaw 5. In this embodiment, the locking shaft 13 is a locking pin. In other embodiments, the locking shaft body can also be a locking bolt, when the central column through hole is correspondingly communicated with the slip ring through hole, the locking bolt is arranged in the central column through hole in a penetrating mode, then the nut is used for tightening the central column and the slip ring, and fixation between the central column and the slip ring can be achieved. The locking shaft 13 is a locking body detachably provided on the center post 4.

In order to avoid the loss of the locking shaft body 13, the locking shaft body 13 is connected with the slip ring 10 through the chain 14, so that when the locking shaft body 13 does not pass through the center post through hole 12 and the slip ring through hole, the locking shaft body 13 is also connected with the slip ring 10 through the chain 14, and the locking shaft body is not easy to lose.

In addition, the valve wrench further comprises a stop lever 6 arranged at one end of the clamping jaw 5 far away from the central column 4. In the present embodiment, the stop lever 6 and the claw 5 are both square in cross section and are integrally formed. It should be noted that one surface of the clamping jaws 5 facing the central column 4 is an inner side of each clamping jaw 5, and one surface of the clamping jaws 5 facing away from the central column 4 is an outer side of each clamping jaw 5. In this embodiment the angle between the bar 6 and the outside of the jaw 5 is greater than 90.

The utility model provides a valve spanner can be suitable for on the hand wheel that size specification differs to when using on the hand wheel of different size specification, valve spanner's jack catch 5 card is in the position department that the hand wheel is different. The structure of the hand wheel is shown in fig. 3, the hand wheel comprises a wheel disc 16 and spokes 15, and the periphery of the wheel disc 16 is provided with evenly distributed bulges 7. When the size of the hand wheel is large, each jaw 5 of the valve wrench is located in the same fan-shaped area 17 enclosed by two adjacent spokes 15 and the wheel disc 16 of the hand wheel, the outer sides of the three jaws 5 respectively and correspondingly abut against the spokes 15 and the wheel disc 16, then the handle 1 is rotated to drive the hand wheel to rotate, and certainly, the handle 1 and the ratchet wheel need to be kept relatively fixed in the force application direction; when the size of the hand wheel is small, the inner sides of the clamping claws 5 can be abutted against the outer part of the wheel disc 16 at the moment, and then the handle 1 is pulled, so that the clamping claws 5 are in stop fit with the protrusions 7 on the outer periphery of the wheel disc 16 to drive the hand wheel to rotate.

It should be noted that when the jaws 5 of the valve wrench are located in the sector 17, the stop lever 6 can be in stop-fit with the hand wheel (i.e. the stop lever 6 is hung on the hand wheel) to prevent the valve wrench from falling off. Especially, when the valve wrench is applied to a hand wheel which is horizontally arranged (namely, the central axis of the hand wheel extends in the vertical direction), the phenomena that the valve wrench is separated from the hand wheel and the workers are injured by the hammer can be effectively avoided.

The utility model discloses in embodiment 2 of the valve spanner that provides, different from embodiment 1, valve spanner does not include center post, slip ring sum connecting rod, and in this embodiment, the hoop equipartition of fixed disk has three bolt and nut subassembly, and the end and the fixed disk welded fastening of bolt, jack catch wear to adorn on the bolt and can swing on the bolt, and the swing angle adjustment of jack catch finishes the back, revolves to twist the nut with the jack catch fixed can.

The utility model discloses in embodiment 3 of the valve spanner that provides, different from embodiment 1, the center post is the screw thread post, and locking structure includes two nuts of screw assembly on the center post, and slip ring cartridge is between two nuts, can control the position of slip ring on the center post through the position of twisting the regulation two nuts soon, and two nuts can carry on spacingly to the slip ring. The nut is a locking body movably arranged on the central column.

The embodiment 4 of the valve wrench provided in the present invention is different from the embodiment 1 in that, in the embodiment, the central column through hole is provided with a plurality of central column through holes along the extending direction of the central column, the slip ring is not provided with the slip ring through hole, when the slip ring moves to the upper position of the central column, the locking pin shaft is inserted into the central column through hole at the lower side of the slip ring, and at this time, the slip ring is limited by the locking pin shaft and the stopping flange at the top of the central column; when the slip ring moves to the lower position of the central column, the locking pin shaft is arranged in the central column through hole at the upper side of the slip ring in a penetrating way, and the slip ring is limited through the locking pin shaft and the fixed disc.

The utility model discloses in embodiment 5 of the valve spanner that provides, different from embodiment 1 is that, in this embodiment, chain one end is connected on the locking axis body, and the other end is connected on the center post.

The utility model discloses in embodiment 6 of the valve spanner that provides, different from embodiment 1 is that, in this embodiment, the contained angle between the outside of pin and jack catch is 90, perhaps in other implementations, contained angle between the outside of pin and jack catch also can be less than 90.

The utility model discloses in embodiment 7 of the valve spanner that provides, different from embodiment 1, in this embodiment, the jack catch cross-section is circular. Or in other embodiments, the jaws may be triangular or otherwise shaped in cross-section.

The utility model discloses in embodiment 8 of the valve spanner that provides, different from embodiment 1 is that, in this embodiment, the handle is used for the one end of fixed body not to set up the ratchet, and fixed body snap-on is in the one end of handle, and the fixed body this moment can be solid structure.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A valve wrench comprises a handle (1), and is characterized in that one end of the handle (1) is provided with a fixed body, at least three clamping jaws (5) are arranged on the fixed body at intervals along the circumferential direction, each clamping jaw (5) is hinged on the fixed body and can swing relatively to realize mutual approaching and keeping away, and the valve wrench further comprises a locking structure for locking after each clamping jaw (5) swings relatively to a proper position; each clamping jaw (5) is provided with an opposite inner side and an opposite outer side, each clamping jaw (5) can swing and adjust relatively to enable the inner side of each clamping jaw (5) to be clamped outside a wheel disc (16) in the hand wheel to rotate by pulling the hand wheel, and each clamping jaw (5) can also swing and adjust relatively to enable the outer side of each clamping jaw (5) to be clamped in an area formed by the wheel disc (16) and two adjacent spokes (15) to rotate by pulling the hand wheel.

2. The valve wrench as claimed in claim 1, wherein the fixing body is a circular fixing body, the jaws (5) are uniformly distributed on the circular fixing body along the circumference of the circular fixing body, the central column (4) is coaxially and fixedly arranged on the circular fixing body, the valve wrench further comprises a sliding ring (10) slidably sleeved outside the central column (4), a connecting rod (11) is hinged between the sliding ring (10) and each jaw (5), and the sliding ring (10) can reciprocate along the central column (4) to drive each jaw (5) to swing relatively through the connecting rod (11).

3. The valve wrench as claimed in claim 2, wherein the locking structure comprises a locking body movably or detachably disposed on the central pillar (4), the locking body is adapted to engage with the sliding ring (10) in a blocking manner along an axial direction of the central pillar (4) so as to limit the sliding ring (10) after the sliding ring (10) is adjusted in position.

4. The valve wrench as claimed in claim 3, wherein the central column (4) is provided with at least two central column through holes (12) at intervals along the axial direction, the central column through holes (12) extend along the radial direction of the central column (4), the slip ring (10) is provided with slip ring through holes extending along the radial direction, and the locking body is a locking shaft body (13) penetrating through the slip ring through holes and penetrating into the central column through holes (12).

5. Valve key according to claim 4, characterized in that a chain (14) is arranged between one of the centre post (4) and the slip ring (10) and the locking shaft (13) to prevent the locking shaft (13) from being lost.

6. The valve wrench as claimed in claim 3, wherein one end of the central column (4) is disposed on the circular fixing body, and the other end of the central column is provided with a stopping flange, at least two central column through holes (12) are axially spaced from each other on the central column (4), the locking body is a locking shaft body (13) penetrating into the central column through holes (12), and the locking shaft body (13) is configured to engage with the end face of the sliding ring (10) in a stopping manner and to cooperate with the circular fixing body or the stopping flange to limit the sliding ring (10).

7. The valve key according to any of claims 1-6, wherein the valve key further comprises a stop lever (6) arranged at an end of the jaws (5) remote from the fixed body, the stop lever (6) being adapted to cooperate with a hand wheel stop when each jaw (5) is clamped in the area formed by the wheel disc (16) and the two adjacent spokes (15) to prevent the valve key from falling out.

8. Valve wrench according to claim 7, in which the angle between the stop lever (6) and the outside of the jaw (5) is greater than 90 °.

9. Valve wrench according to any of claims 1-6, characterised in that the jaw (5) is square in cross-section, so that the jaw (5) is plane on both its inner and outer sides.

10. Valve wrench according to any of claims 1-6, in which the handle (1) is provided with a ratchet at one end, and the fastening member is secured to the ratchet.

Images