CN218582413U - Universal joint transmission valve rod - Google Patents

Abstract

The utility model belongs to the technical field of the valve rod, concretely relates to universal joint transmission valve rod, the installation comprises a sleeve, telescopic inside sliding connection has the connecting rod, the adapter sleeve has been cup jointed in the telescopic outside rotation, fixedly connected with lug on the sleeve, the adapter sleeve passes through threaded connection with the connecting rod, the inside of connecting rod is provided with the ball, the articulated seat of equal fixedly connected with on connecting rod and the sleeve. The utility model discloses a set up the adapter sleeve, the lug, parts such as annular, the adapter sleeve is rotated to the accessible, make adapter sleeve and connecting rod take place threaded motion, thereby make the connecting rod slide in the adapter sleeve, this mode simple structure, need not electric connection, can adjust the length of this valve rod equally, solved the inside motor that sets up of current universal joint transmission valve rod and adjust, and the motor setting is inside the valve rod, it is too inconvenient when overhauing, and need connect the electricity when in-service use, use and get up and not convenient problem.

Description

Universal joint transmission valve rod

Technical Field

The utility model relates to a valve rod technical field specifically is a universal joint transmission valve rod.

Background

The valve rod bears the tension, compression and torsion forces in the opening and closing process of the valve, is in direct contact with the medium and has relative friction movement with the packing, and an anti-static mechanism is arranged at the joint of the valve rod and the ball and the contact part of the valve rod and the valve body to prevent static from accumulating on the ball. The stem safety design should prevent "blow-out" at operating pressures, and the blow-out prevention flange on the stem disposes of an annular ring to reduce the coefficient of friction. According to patent grant publication No. CN217381844U discloses a universal joint transmission valve pole, including first valve rod body and second valve rod body, first cavity has been seted up to first valve rod body left end face, the standing groove has been seted up to first cavity right-hand member face, terminal surface fixedly connected with motor in the standing groove, motor output end fixedly connected with screw rod, the screw rod outside is provided with the second valve rod body, the spout has been seted up to cambered surface in the first cavity, sliding connection has the slider in the spout, terminal surface fixed connection is outside second valve rod body in the slider, the first universal joint of first valve rod body right-hand member face fixedly connected with, the first universal joint outside is provided with the second universal joint, the utility model discloses a set up first cavity, standing groove, motor, screw rod, second valve rod body, spout, slider, first universal joint and second universal joint can accomplish and carry out the action of extension to first valve rod body and second valve rod body, reached the effect of adapting to the connector between the different lengths. The inside motor that sets up of current universal joint transmission valve rod is adjusted, and the motor setting is inside the valve rod, and is too inconvenient when overhauing, and need connect the electricity when in-service use, and it is not convenient to use, and current universal joint transmission valve rod passes through the screw connection when connecting seat and connecting piece are connected, and this connected mode is not convenient when installation and dismantlement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a universal joint transmission valve rod has solved the inside motor that sets up of current universal joint transmission valve rod and has adjusted, and the motor setting is inside the valve rod, and too inconvenient when overhauing, and need connect the electricity when in-service use, and it is not convenient to use, and current universal joint transmission valve rod passes through the screw connection when connecting seat and connecting piece are connected, and this connected mode is not convenient problem when installation and dismantlement.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a universal joint transmission valve pole, includes the sleeve, telescopic inside sliding connection has the connecting rod, the adapter sleeve has been cup jointed in the rotation of telescopic outside, fixedly connected with lug on the sleeve, the adapter sleeve passes through threaded connection with the connecting rod, the inside of connecting rod is provided with the ball, the articulated seat of equal fixedly connected with on connecting rod and the sleeve, the inside of articulated seat articulates there is the connecting seat, fixedly connected with mount pad on the connecting seat, be provided with stop gear on the mount pad.

Preferably, the connecting sleeve is provided with a ring groove, the inner part of the ring groove is connected with a lug in a sliding manner, and the lug can be matched to limit the connecting sleeve through the design of the ring groove.

Preferably, the sleeve is provided with a limiting groove, the limiting groove is connected with a ball in a sliding mode, and the ball can be matched with the connecting rod to enable the connecting rod to move more smoothly through the design of the limiting groove.

Preferably, stop gear includes spacing ring, gag lever post, spring, arm-tie, kelly, fixedly connected with spacing ring on the mount pad, the inside sliding connection of spacing ring has the gag lever post, the inside sliding connection of mount pad has the gag lever post, the outside of gag lever post is provided with the spring, the one end and the gag lever post contact of spring, the other end and the gag lever post contact of spring, fixedly connected with arm-tie on the gag lever post, fixedly connected with kelly on the arm-tie, through stop gear's design, it is more convenient that can make the connecting seat when erection joint spare.

Preferably, the pulling plate is in contact with the connecting seat, the pulling plate is in contact with the limiting ring, and the clamping rod can be conveniently moved through the design of the pulling plate.

Preferably, the inside sliding connection of mount pad has the kelly, the inside sliding connection of connecting seat has the kelly, through the design of kelly, can play limiting displacement to the connecting piece of installing with the connecting seat.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the adapter sleeve, the lug, parts such as annular, the adapter sleeve is rotated to the accessible, make adapter sleeve and connecting rod take place the screw motion, thereby make the connecting rod slide in the adapter sleeve, this mode simple structure, need not electric connection, can adjust the length of this valve rod equally, it adjusts to have solved the inside motor that sets up of current universal joint transmission valve rod, and the motor setting is inside the valve rod, it is too inconvenient when overhauing, and need connect the electricity when in-service use, use and get up and not convenient problem.

2. The utility model discloses a be provided with parts such as mount pad, kelly, spring, drive the kelly through the spring and carry on spacingly to the connecting piece when connecting seat erection joint spare, and through pulling kelly roll-off from the connecting piece, alright remove spacingly to the connecting piece, can make the connecting piece more convenient when installation and dismantlement, solved current universal joint transmission valve rod and passed through the screw connection when connecting seat and connecting piece are connected, this connected mode is not convenient problem when installation and dismantlement.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a front cross-sectional view of fig. 1 of the present invention;

fig. 3 is an enlarged view of the structure of the part a in fig. 2 according to the present invention;

fig. 4 is a side cross-sectional view of fig. 1 of the present invention;

fig. 5 is an enlarged view of the structure of the part B in fig. 4 according to the present invention.

In the figure: 1. a sleeve; 2. a connecting rod; 3. connecting sleeves; 4. a bump; 5. a ring groove; 6. a ball bearing; 7. a limiting groove; 8. a hinged seat; 9. a connecting seat; 10. a mounting seat; 11. a limiting mechanism; 111. a limiting ring; 112. a limiting rod; 113. a spring; 114. pulling a plate; 115. and (7) clamping the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5, a universal joint transmission valve rod, including sleeve 1, the inside sliding connection of sleeve 1 has connecting rod 2, the outside of sleeve 1 rotates to be cup jointed with adapter sleeve 3, fixedly connected with lug 4 on sleeve 1, annular groove 5 has been seted up on adapter sleeve 3, the inside sliding connection of annular groove 5 has lug 4, through the design of annular groove 5, can cooperate lug 4 to play limiting displacement to adapter sleeve 3, adapter sleeve 3 passes through threaded connection with connecting rod 2, the inside of connecting rod 2 is provided with ball 6, spacing groove 7 has been seted up on sleeve 1, the inside sliding connection of spacing groove 7 has ball 6, through the design of spacing groove 7, can cooperate ball 6 to make connecting rod 2 more smooth and easy when removing.

Referring to fig. 2-5, the connecting rod 2 and the sleeve 1 are both fixedly connected with a hinge seat 8, the hinge seat 8 is hinged with a connecting seat 9, the connecting seat 9 is fixedly connected with an installation seat 10, the installation seat 10 is provided with a limiting mechanism 11, the limiting mechanism 11 comprises a limiting ring 111, a limiting rod 112, a spring 113, a pulling plate 114 and a clamping rod 115, the installation seat 10 is fixedly connected with the limiting ring 111, the limiting ring 111 is slidably connected with the limiting rod 112, the installation seat 10 is slidably connected with the limiting rod 112, the outer side of the limiting rod 112 is provided with the spring 113, one end of the spring 113 is in contact with the limiting ring 111, and the other end of the spring 113 is in contact with the limiting rod 112.

Referring to fig. 2-5, a pulling plate 114 is fixedly connected to the limiting rod 112, the pulling plate 114 is in contact with the connecting seat 9, the pulling plate 114 is in contact with the limiting ring 111, the clamping rod 115 can be moved conveniently through the design of the pulling plate 114, the clamping rod 115 is fixedly connected to the pulling plate 114, the clamping rod 115 is slidably connected to the inside of the mounting seat 10, the clamping rod 115 is slidably connected to the inside of the connecting seat 9, the connecting part mounted with the connecting seat 9 can be limited through the design of the clamping rod 115, and the connecting seat 9 can be mounted more conveniently through the design of the limiting mechanism 11.

The utility model discloses specific implementation process as follows: during the use, through rotating adapter sleeve 3, make adapter sleeve 3 and connecting rod 2 take place screw thread motion, alright make connecting rod 2 slide on adapter sleeve 3 and sleeve 1, alright adjust connecting rod 2 in sleeve 1's position, and through being provided with parts such as ball 6, spacing groove 7, make connecting rod 2 more smooth and easy when removing. Through removing arm-tie 114 to the direction of keeping away from mount pad 10, make arm-tie 114 drive gag lever post 112 and slide in spacing ring 111, make gag lever post 112 extrude spring 113, and make arm-tie 114 drive kelly 115 and remove, insert the connecting piece in connecting seat 9, then loosen arm-tie 114, spring 113's elasticity just can drive gag lever post 112 and remove, make gag lever post 112 drive arm-tie 114 and remove, make arm-tie 114 drive kelly 115 and insert inside the connecting piece, alright carry on spacingly to the connecting piece, it is all more convenient when installation and dismantlement to make the connecting piece.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A universal joint transmission valve rod comprises a sleeve (1), and is characterized in that: the inside sliding connection of sleeve (1) has connecting rod (2), adapter sleeve (3) have been cup jointed in the outside rotation of sleeve (1), fixedly connected with lug (4) are gone up in sleeve (1), adapter sleeve (3) pass through threaded connection with connecting rod (2), the inside of connecting rod (2) is provided with ball (6), equal fixedly connected with articulates seat (8) on connecting rod (2) and sleeve (1), the inside of articulated seat (8) articulates there is connecting seat (9), fixedly connected with mount pad (10) are gone up in connecting seat (9), be provided with stop gear (11) on mount pad (10).

2. A gimbal transmission valve stem as claimed in claim 1, wherein: the connecting sleeve (3) is provided with an annular groove (5), and the inside of the annular groove (5) is connected with a lug (4) in a sliding manner.

3. A gimbal drive valve stem as claimed in claim 1, wherein: a limiting groove (7) is formed in the sleeve (1), and a ball (6) is connected to the inside of the limiting groove (7) in a sliding mode.

4. A gimbal transmission valve stem as claimed in claim 1, wherein: stop gear (11) are including spacing ring (111), gag lever post (112), spring (113), arm-tie (114), kelly (115), fixedly connected with spacing ring (111) are gone up in mount pad (10), the inside sliding connection of spacing ring (111) has gag lever post (112), the inside sliding connection of mount pad (10) has gag lever post (112), the outside of gag lever post (112) is provided with spring (113), the one end and the contact of spacing ring (111) of spring (113), the other end and the gag lever post (112) contact of spring (113), fixedly connected with arm-tie (114) are gone up in gag lever post (112), fixedly connected with kelly (115) are gone up in arm-tie (114).

5. A gimbal drive valve stem as claimed in claim 4, wherein: the pulling plate (114) is in contact with the connecting seat (9), and the pulling plate (114) is in contact with the limiting ring (111).

6. A gimbal transmission valve stem as claimed in claim 4, wherein: the inside sliding connection of mount pad (10) has kelly (115), the inside sliding connection of connecting seat (9) has kelly (115).

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