CN217272054U

CN217272054U - Tension spring type valve

Info

Publication number: CN217272054U
Application number: CN202220375809.2U
Authority: CN
Inventors: 苏勇; 张荣杰; 胡书国; 许文宝; 苏永超
Original assignee: Lianfa Stainless Steel Pipe Valve Industry Qingyun Co Ltd
Current assignee: Lianfa Stainless Steel Pipe Valve Industry Qingyun Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-23
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses an extension spring formula valve, including the main part, be provided with the handle in the main part, be provided with the spring in the handle, be provided with the pull rod in the spring, the one end of pull rod is provided with the adjustment unit that can adjust spring length. The utility model discloses can adjust the compression degree of spring through the whole length of adjustment screw thread section of thick bamboo and pull rod, and then the elasticity of adjustment spring, the spacing unit of setting can restrict the extension arm in the concrete position of handle, and then the length of the adjustment arm of force, the utility model provides a spring that is used for automatic re-setting that current valve used after using a terminal time, the problem that the reset performance of spring has reduced.

Description

Tension spring type valve

Technical Field

The utility model relates to a valve, concretely relates to extension spring formula valve belongs to ball valve equipment technical field.

Background

The tension spring type valve is a ball valve with a memory reset function, an automatic reset device is arranged in a handle, the valve is automatically reset to an initial position after the valve is opened or closed by a manual operation handle and the handle is loosened, safety accidents caused by forgetting to close the valve after opening or forgetting to open the valve after closing are avoided, and the safety guarantee performance of a pipeline system is good.

However, the spring for automatic return used in such a valve is deteriorated in its return performance after a certain period of use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's the above-mentioned not enough, provide a tension spring formula valve.

In order to solve the above problem, the utility model adopts the following technical scheme: the tension spring type valve comprises a main body, wherein a handle is arranged on the main body, a spring is arranged in the handle, a pull rod is arranged in the spring, and an adjusting unit capable of adjusting the length of the spring is arranged at one end of the pull rod.

The following is the utility model discloses to the further optimization of above-mentioned scheme: the adjusting unit comprises a threaded cylinder arranged at one end of the pull rod, the threaded cylinder and the pull rod are coaxially arranged, and the threaded cylinder is arranged in the spring.

Further optimization: a hole for accommodating the pull rod is formed in the threaded cylinder, and the threaded cylinder is connected with the pull rod through threads.

And (4) further optimizing: and a stop block is arranged at one end of the spring, which is far away from the pull rod, and the stop block is arranged on the threaded cylinder.

Further optimization: an extension arm is coaxially sleeved outside the handle.

Further optimization: a limiting unit is arranged between the extension arm and the handle.

Further optimization: the limiting unit comprises two pressing seats symmetrically arranged, through holes for accommodating the pressing seats to move are formed in the positions, contacted with the hands, of the two sides of the extension arm respectively, and limiting springs are arranged between the through holes and the pressing seats.

Further optimization: and one end of the pressing seat, which is close to the handle, is provided with a limiting column.

Further optimization: the handle is provided with a guide rail at a position corresponding to the limiting column, and the inner wall of the extension arm is provided with a long groove for accommodating the guide rail.

And (4) further optimizing: the lower end of the limiting column is provided with a moving tooth, and the guide rail is provided with a positioning tooth matched with the lower end of the limiting column.

The utility model discloses can adjust the compression degree of spring through the whole length of an adjustment screw thread section of thick bamboo and pull rod, and then the elasticity of adjustment spring, the spacing unit of setting can restrict the extension arm in the concrete position of handle, and then the length of the adjustment arm of force, the utility model provides a spring that is used for automatic re-setting that current valve used after using a terminal time, the reset performance of spring has the problem that reduces.

The present invention will be further described with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a point a in fig. 1.

In the figure: 1-a body; 2-a handle; 3-a spring; 4-a pull rod; 5-a threaded cylinder; 6-a stop block; 7-an extender arm; 8-a guide rail; 9-pressing seat; 10-a limit spring; 11-a through hole; 14-a limiting column; 15-moving the teeth.

Detailed Description

Some specific embodiments of the invention will be described in detail below by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.

In the embodiment, as shown in fig. 1 and 2, the tension spring type valve includes a main body 1, a handle 2 is arranged on the main body 1, a spring 3 for driving the handle 2 to reset is arranged in the handle 2, a pull rod 4 is arranged in the spring 3, and an adjusting unit capable of adjusting the length of the spring 3 is arranged at one end of the pull rod 4, so that the elasticity of the spring 3 can be adjusted.

The adjusting unit comprises a threaded cylinder 5 arranged at one end of the pull rod 4, the threaded cylinder 5 and the pull rod 4 are coaxially arranged, and the threaded cylinder 5 is arranged in the spring 3.

And a hole for accommodating the pull rod 4 is formed in the threaded cylinder 5, and the threaded cylinder 5 is connected with the pull rod 4 through threads and used for adjusting the overall length of the threaded cylinder 5 and the pull rod 4.

The one end of keeping away from pull rod 4 on spring 3 is provided with dog 6, and dog 6 fixed mounting is in the one end of screw thread section of thick bamboo 5, and the width of dog 6 is greater than the external diameter of spring 3, and screw thread section of thick bamboo 5 removes and drives dog 6 and remove, and then compression spring 3.

The outer side of the stop block 6 is provided with a cross groove, so that the stop block is designed to be convenient to cooperate with a tool to realize rotation of the threaded barrel 5.

The coaxial cover in outside of handle 2 is equipped with extension arm 7, offers the hole that holds handle 2 on the extension arm 7, is convenient for like this extension arm 7 to move on handle 2, extension arm of force length.

A boss is arranged at one end of the handle 2, and a groove matched with the boss is formed in the extension arm 7 and used for preventing the extension arm 7 from being separated from the handle 2.

A limiting unit is arranged between the extension arm 7 and the handle 2 and can limit the extension arm 7 to move.

Spacing unit includes the columniform that two symmetries set up and presses seat 9, and the through-hole 11 that holds and press the seat 9 removal is seted up respectively to the both sides of extension arm 7 and the position of hand contact.

Be provided with spacing spring 10 between through-hole 11 and the pressure seat 9, spacing spring 10 suit is in pressing the seat 9 outsidely, and the both ends of spacing spring 10 are connected with through-hole 11 inner wall and pressure seat 9 respectively for the one end that drives and press seat 9 stretches out to the outer certain distance of extension arm 7.

One end of the pressing seat 9 close to the handle 2 is provided with a limiting column 14, and one end of the pressing seat 9 capable of pushing the limiting column 14 extends out of the through hole 11.

The lower extreme of spacing post 14 is provided with the removal tooth 15 that the longitudinal section is V-arrangement, and spacing post 14 removes and drives removal tooth 15 and remove.

The handle 2 is fixedly provided with a guide rail 8 at a position corresponding to the limiting column 14, and the length direction of the guide rail 8 is the same as that of the handle 2.

The inner wall of the extension arm 7 is provided with a long groove for accommodating the guide rail 8, so that the extension arm 7 can move conveniently.

Set up on the guide rail 8 with spacing post 14 lower extreme cooperation location tooth that uses, the longitudinal section of this tooth is the V-arrangement, during the use, during hand gripping extension arm 7, can press down and press in seat 9 gets into through-hole 11, drive the one end of spacing post 14 simultaneously and stretch out through-hole 11 to with the tooth cooperation on the guide rail 8, at this moment, extension arm 7 is fixed.

The utility model discloses can adjust the compression degree of spring through the whole length of adjustment screw thread section of thick bamboo and pull rod, and then the elasticity of adjustment spring, the spacing unit of setting can restrict the extension arm in the concrete position of handle, and then the length of the adjustment arm of force, the utility model provides a spring that is used for automatic re-setting that current valve used after using a terminal time, the problem that the reset performance of spring has reduced.

Claims

1. Extension spring formula valve is provided with handle (2) on main part (1) including main part (1), is provided with spring (3) in handle (2), is provided with pull rod (4), its characterized in that in spring (3): one end of the pull rod (4) is provided with an adjusting unit capable of adjusting the length of the spring (3).

2. The tension spring valve according to claim 1, wherein: the adjusting unit comprises a threaded cylinder (5) arranged at one end of the pull rod (4), the threaded cylinder (5) and the pull rod (4) are coaxially arranged, and the threaded cylinder (5) is arranged in the spring (3).

3. The tension spring type valve according to claim 2, wherein: a hole for accommodating the pull rod (4) is formed in the threaded cylinder (5), and the threaded cylinder (5) is in threaded connection with the pull rod (4).

4. A tension spring valve according to claim 3, wherein: and a stop block (6) is arranged at one end of the spring (3) far away from the pull rod (4), and the stop block (6) is arranged on the threaded cylinder (5).

5. The tension spring type valve according to claim 4, wherein: an extension arm (7) is coaxially sleeved outside the handle (2).

6. The tension spring type valve according to claim 5, wherein: a limiting unit is arranged between the extension arm (7) and the handle (2).

7. The tension spring type valve according to claim 6, wherein: the limiting unit comprises two pressing seats (9) which are symmetrically arranged, through holes (11) for accommodating the pressing seats (9) to move are formed in the positions, contacted with the hands, of the two sides of the extension arm (7) respectively, and limiting springs (10) are arranged between the through holes (11) and the pressing seats (9).

8. The tension spring type valve according to claim 7, wherein: and a limiting column (14) is arranged at one end of the pressing seat (9) close to the handle (2).

9. The tension spring type valve according to claim 8, wherein: the handle (2) is provided with a guide rail (8) at a position corresponding to the limiting column (14), and the inner wall of the extension arm (7) is provided with a long groove for accommodating the guide rail (8).

10. The tension spring type valve according to claim 9, wherein: the lower extreme of spacing post (14) is provided with removal tooth (15), offers on guide rail (8) with spacing post (14) lower extreme cooperation use the location tooth.