CN214007180U - Hydraulic control safety combination valve convenient to connect - Google Patents

Abstract

The utility model discloses a hydraulic control safety combination valve convenient for connection, which comprises a hydraulic control safety combination valve body and a connecting sleeve, wherein both ends of the hydraulic control safety combination valve body are communicated with a telescopic sleeve, one end of the telescopic sleeve, which is far away from the hydraulic control safety combination valve body, is communicated with an end surface sleeve, the end surface sleeve is connected with one end of the telescopic sleeve in a sliding way, one side of the connecting sleeve is provided with an external thread, the inside of the end surface sleeve is provided with an internal thread, the end surface sleeve is connected with the connecting sleeve through a thread, the outer side of the telescopic sleeve is provided with a locking mechanism, and the connecting sleeve is arranged at one end, because the inner diameter of the connecting sleeve is gradually reduced from left to right, the connecting sleeve can be connected with a preassembling pipeline only by heating and softening the connecting sleeve with proper temperature during installation, the connecting sleeve is connected with the end face sleeve through threads, and compared with a connecting mode in the prior art, the connecting sleeve is simpler.

Description

Hydraulic control safety combination valve convenient to connect

Technical Field

The utility model relates to the technical field of valves, specifically be a liquid accuse safety combination valve convenient to connect.

Background

At present, a plurality of hydraulic supports are required to be used for roadway support protection in the coal mining process, and personal equipment safety is guaranteed. These hydraulic supports require a total hydraulic pump station to supply hydraulic medium to several hydraulic control units located on a single support. The hydraulic control devices on the brackets can independently complete various action functions of the brackets, and commands are sent by the electric control device and control the action of the actuating mechanism (hydraulic cylinder) through the electromagnetic directional valve. The hydraulic control device is provided with a pressure regulating valve for preventing overload caused by hydraulic impact. When the electric control device fails due to faults, the manual operation device on the electromagnetic directional valve can be used for carrying out emergency directional operation. In order to prevent the hydraulic pump station from breaking or hydraulic pipelines from causing the undesirable falling action of the related hydraulic cylinders, hydraulic control one-way valves are arranged near the related hydraulic cylinders, so that the executing mechanism can stay at any position.

The existing hydraulic control safety combination valve has a complex installation structure, and a great amount of time is wasted during installation, so that a hydraulic control safety combination valve convenient to connect needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pilot-operated safety combination valve convenient to connect, through the one end of installing the adapter sleeve, because the internal diameter of adapter sleeve is reducing gradually from left to right, when installing as long as utilize appropriate temperature to heat up the adapter sleeve and soften, can be with connecting sleeve and pre-installation between the pipeline each other, through threaded connection between adapter sleeve and the terminal surface sleeve pipe, the connection mode among the prior art is simpler, through sliding connection the telescopic sleeve pipe in the one end of pilot-operated safety combination valve body, and; the telescopic sleeve is connected between the hydraulic control safety combination valve body in a sliding mode and can be locked and fixed through the locking mechanism, the length of the telescopic sleeve extending out of the hydraulic control safety combination valve body can be adjusted through the locking mechanism, connection work can be flexible and changeable, and the problem that the telescopic sleeve is put forward in the background technology is solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid accuse safety combination valve convenient to connect, includes liquid accuse safety combination valve body and adapter sleeve, the both ends of liquid accuse safety combination valve body all communicate there is telescopic tube, the one end intercommunication that hydraulic accuse safety combination valve body was kept away from to telescopic tube has the terminal surface sleeve pipe, terminal surface sleeve pipe sliding connection is in telescopic tube's one end, the external screw thread has been seted up to one side of adapter sleeve pipe, the internal thread has been seted up to terminal surface sheathed tube inside, through threaded connection between terminal surface sleeve pipe and the adapter sleeve, just telescopic tube's the outside is provided with locking mechanism.

Preferably, first through-hole has all been seted up at the both ends of liquid accuse safety combination valve body, first through-hole and integrated into one piece have a first stopper is run through to telescopic tube's one end, just the aperture ratio of first through-hole is 0.05mm bigger than the terminal surface diameter of liquid accuse safety combination valve body.

Preferably, the second through-hole has been seted up to the one end of terminal surface sleeve pipe, the one end that the hydraulically controlled safety combination valve body was kept away from to the telescopic tube runs through the second through-hole and integrated into one piece has the second stopper, the aperture diameter of second through-hole is greater than the terminal surface sheathed tube diameter by 0.05 mm.

Preferably, one side fixed mounting of first stopper has first sealed the pad, just one side fixed mounting of second stopper has the second to seal up, first sealed pad all sets up to elastic sealing pad with the second is sealed to fill up.

Preferably, locking mechanism sets up in the outside of telescopic tube, just locking mechanism is including latch segment and locking bolt, the latch segment sets up to cyclic annular and have elastic latch segment, just set up threaded hole on the latch segment, locking bolt passes threaded hole and threaded connection has lock nut, it is fixed through locking mechanism locking between hydraulic control safety combination valve body and the telescopic tube.

Preferably, the inner diameter of the connecting sleeve gradually decreases from left to right, and the corresponding position outside the connecting sleeve is provided with scale marks.

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

1. the connecting sleeve is arranged at one end of the connecting sleeve, because the inner diameter of the connecting sleeve is gradually reduced from left to right, the connecting sleeve and the preassembly pipeline can be connected with each other only by heating and softening the connecting sleeve by using proper temperature during installation, and the connecting sleeve is connected with the end surface sleeve through threads, which is simpler than the connecting mode in the prior art;

2. the telescopic sleeve is connected to one end of the hydraulic control safety combination valve body in a sliding manner; the telescopic sleeve is connected between the hydraulic control safety combination valve bodies in a sliding mode and can be locked and fixed through the locking mechanism, the length of the telescopic sleeve extending out of the hydraulic control safety combination valve bodies can be adjusted through the locking mechanism, and connection work can be flexible and changeable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the telescopic tube of the present invention;

fig. 3 is a schematic structural view of the end face sleeve of the present invention;

fig. 4 is a schematic structural view of the locking mechanism of the present invention;

FIG. 5 is a schematic view of the internal structure of the connection sleeve of the present invention;

fig. 6 is a schematic structural diagram of the connection sleeve of the present invention.

In the figure: 1. a hydraulic control safety combination valve body; 2. a telescopic sleeve; 3. an end face sleeve; 4. connecting a sleeve; 5. a first through hole; 6. a locking mechanism; 7. a first stopper; 8. a second through hole; 9. a second limiting block; 10. a first gasket; 11. a second gasket; 12. scale lines; 601. a locking block; 602. locking the bolt; 603. a threaded hole; 604. and locking the nut.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a hydraulic control safety combination valve convenient to connect comprises a hydraulic control safety combination valve body 1 and a connecting sleeve 4, wherein two ends of the hydraulic control safety combination valve body 1 are both communicated with telescopic sleeves 2, two ends of the hydraulic control safety combination valve body 1 are both provided with first through holes 5, one end of each telescopic sleeve 2 penetrates through the corresponding first through hole 5 and is integrally formed with a first limiting block 7, the aperture of each first through hole 5 is 0.05mm larger than the diameter of the end face of the hydraulic control safety combination valve body 1, and the first limiting blocks 7 are arranged to prevent the telescopic sleeves 2 from sliding out of the hydraulic control safety combination valve body 1;

one end, far away from the hydraulic control safety combination valve body 1, of the telescopic sleeve 2 is communicated with an end face sleeve 3, the end face sleeve 3 is connected to one end of the telescopic sleeve 2 in a sliding mode, a second through hole 8 is formed in one end of the end face sleeve 3, one end, far away from the hydraulic control safety combination valve body 1, of the telescopic sleeve 2 penetrates through the second through hole 8 and is integrally formed with a second limiting block 9, the hole diameter of the second through hole 8 is 0.05mm larger than the diameter of the end face sleeve 3, and the second limiting block 9 is arranged to prevent the end face sleeve 3 from sliding out of the telescopic sleeve 2;

a first sealing gasket 10 is fixedly arranged on one side of the first limiting block 7, a second sealing gasket 11 is fixedly arranged on one side of the second limiting block 9, the first sealing gasket 10 and the second sealing gasket 11 are both elastic sealing gaskets, and the first sealing gasket 10 and the second sealing gasket 11 are arranged to improve the sealing performance of the device;

an external thread is arranged on one side of the connecting sleeve 4, an internal thread is arranged inside the end face sleeve 3, the end face sleeve 3 is in threaded connection with the connecting sleeve 4, the inner diameter of the connecting sleeve 4 is gradually reduced from left to right, when the connecting sleeve 4 is installed, the connecting sleeve 4 and a pre-installed pipeline can be connected with each other only by heating and softening the connecting sleeve 4 at proper temperature, the connecting sleeve 4 is in threaded connection with the end face sleeve 3, the connecting mode is simpler than that in the prior art, in addition, the scale marks 12 are arranged at the corresponding positions outside the connecting sleeve 4, in actual use, after the outer diameter of the pre-installed pipeline is measured, the connecting sleeve 4 can be properly cut, so that the connecting sleeve 4 is more tightly connected with the pre-installed pipeline, and the scale marks 12 are arranged for facilitating the cutting work;

and telescopic tube 2's the outside is provided with locking mechanism 6, locking mechanism 6 sets up in telescopic tube 2's the outside, and locking mechanism 6 is including latch segment 601 and locking bolt 602, latch segment 601 sets up to cyclic annular and have elastic latch segment, and set up threaded hole 603 on the latch segment 601, locking bolt 602 passes threaded hole 603 and threaded connection has lock nut 604, it is fixed through locking mechanism 6 locking between pilot-operated safety combination valve body 1 and the telescopic tube 2, the length that telescopic tube 2 stretches out pilot-operated safety combination valve body 1 can be adjusted in the setting like this, can make the flexible more changeable of joining work.

The working principle is as follows: before the device is used, after the outer diameter of a pre-installed pipeline is measured, the connecting sleeve 4 can be properly cut, so that the connecting sleeve 4 is connected with the pre-installed pipeline more tightly, the scale mark 12 is arranged to facilitate the cutting, when the device is installed, the connecting sleeve 4 can be connected with the pre-installed pipeline only by heating and softening the connecting sleeve 4 at proper temperature, the connecting sleeve 4 is connected with the pre-installed pipeline through threads, compared with the connection mode in the prior art, the connecting mode is simpler, the locking mechanism 6 is arranged on the outer side of the telescopic sleeve 2 and comprises a locking block 601 and a locking bolt 602, the locking block 601 is arranged into an annular and elastic locking block, a threaded hole 603 is formed in the locking block 601, and the locking bolt 602 penetrates through the threaded hole 603 and is in threaded connection with a locking nut 604, the hydraulic control safety combination valve body 1 and the telescopic sleeve 2 are locked and fixed through the locking mechanism 6, so that the length of the telescopic sleeve 2 extending out of the hydraulic control safety combination valve body 1 can be adjusted, and connection work can be more flexible and changeable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a hydraulically controlled safety combination valve convenient to connect, includes hydraulically controlled safety combination valve body (1) and adapter sleeve (4), its characterized in that: the hydraulic control safety combination valve is characterized in that the two ends of the hydraulic control safety combination valve body (1) are communicated with telescopic sleeves (2), one ends of the telescopic sleeves (2) far away from the hydraulic control safety combination valve body (1) are communicated with end face sleeves (3), the end face sleeves (3) are connected to one ends of the telescopic sleeves (2) in a sliding mode, external threads are arranged on one sides of the connecting sleeves (4), internal threads are arranged inside the end face sleeves (3), the end face sleeves (3) are connected with the connecting sleeves (4) through threads, and locking mechanisms (6) are arranged on the outer sides of the telescopic sleeves (2).

2. A pilot operated safety combination valve to facilitate connection according to claim 1, wherein: first through-hole (5) have all been seted up at the both ends of pilot operated safety combination valve body (1), the one end of telescope tube (2) runs through first through-hole (5) and integrated into one piece has first stopper (7), just the aperture ratio pilot operated safety combination valve body (1) of first through-hole (5) terminal surface diameter is 0.05mm big.

3. A pilot operated safety combination valve to facilitate connection according to claim 2, wherein: second through-hole (8) have been seted up to the one end of end face sleeve pipe (3), the one end that pilot operated safety combination valve body (1) was kept away from in telescopic tube (2) runs through second through-hole (8) and integrated into one piece has second stopper (9), the aperture diameter of second through-hole (8) is greater than the diameter of end face sleeve pipe (3) by 0.05 mm.

4. A pilot operated safety combination valve to facilitate connection according to claim 3, wherein: one side fixed mounting of first stopper (7) has first sealed pad (10), just one side fixed mounting of second stopper (9) has the sealed pad (11) of second, first sealed pad (10) and the sealed pad (11) of second all set up to elastic sealing pad.

5. A pilot operated safety combination valve to facilitate connection according to claim 1, wherein: locking mechanism (6) set up in the outside of telescopic tube (2), just locking mechanism (6) is including latch segment (601) and locking bolt (602), latch segment (601) set up to cyclic annular and have elastic latch segment, just set up threaded hole (603) on latch segment (601), locking bolt (602) pass screw hole (603) and threaded connection have lock nut (604), it is fixed through locking mechanism (6) locking between pilot-operated safety combination valve body (1) and telescopic tube (2).

6. A pilot operated safety combination valve to facilitate connection according to claim 1, wherein: the inner diameter of the connecting sleeve (4) is gradually reduced from left to right, and the corresponding position outside the connecting sleeve (4) is provided with scale marks (12).

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