CN213192262U

CN213192262U - Pressure measuring connector for fire hydrant

Info

Publication number: CN213192262U
Application number: CN202021639668.8U
Authority: CN
Inventors: 邓启材; 赵立松; 张帆; 彭婷圆; 邱小彬
Original assignee: Sunn Enterprise Management Consulting Chengdu Co ltd
Current assignee: Sunn Enterprise Management Consulting Chengdu Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-05-14
Anticipated expiration: 2030-08-07

Abstract

The application relates to a pressure measuring joint of a fire hydrant, which comprises a joint main body, a clamping jaw arranged at one end of the joint main body and a pressure gauge arranged on the joint main body, wherein a drain pipe is communicated with the joint main body; the inner pipe wall of the joint main body is provided with a water guiding groove along the length direction of the joint main body, one end of the water guiding groove, which is far away from the clamping jaw, extends to the water inlet of the drain pipe, and the depth of the water guiding groove is gradually increased along the direction from the clamping jaw to the water inlet of the drain pipe. Compared with the prior art, this application has the effect of the drainage of being convenient for.

Description

Pressure measuring connector for fire hydrant

Technical Field

The application relates to the field of fire-fighting equipment, in particular to a pressure measuring connector of a fire hydrant.

Background

The fire hydrant pressure measuring connector is also called a fire hydrant system water testing detection device, and a fire fighting detection department is used for measuring the pressure of a fire hydrant system so as to accurately judge the performance of the fire hydrant system. The device is a special device which is commonly used for detecting the hydrostatic pressure and the water outlet pressure of the indoor fire hydrant and checking the water filling column of the water gun.

Chinese patent application with the current publication number of CN210128116U discloses a pressure measuring connector for fire hydrant, which comprises a connector main body, a pressure gauge arranged on the connector main body, a jaw arranged at one end of the connector main body and a stop valve arranged at one end of the connector main body far away from the jaw, wherein an adjusting mechanism is connected to the connector main body and used for protecting the connector main body, so that the connector main body can not be damaged when the pressure measuring is carried out on the fire hydrant.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the pressure measurement is finished, residual water exists in a common pressure measurement joint, and the pressure measurement joint needs to be inverted to discharge the water in the pressure measurement joint. However, because the pressure measuring joint is filled with water, the water in the pressure measuring joint is easy to splash workers or splash the ground in the process of taking the pressure measuring joint off the fire hydrant, and the problem of inconvenient water drainage exists.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the water in the pressure tap to be discharged, the application provides a fire hydrant pressure tap.

The application provides a fire hydrant pressure measurement joint adopts following technical scheme:

the utility model provides a fire hydrant pressure measurement connects, includes to connect the main part, sets up at the jack catch that connects main part one end and sets up the manometer in connecting the main part, it has the drain pipe to connect the intercommunication in the main part, the one end that the drain pipe kept away from the joint main part is provided with the switch spare that is used for opening and close the drain pipe, it is closed to connect the one end that the jack catch was kept away from to the main part.

Through adopting above-mentioned technical scheme, after the fire hydrant pressure measurement, open the switch spare, the water yield that remains in the joint main part is discharged from the drain pipe, need not to invert the pressure measurement joint and just can discharge the water yield in the pressure measurement joint, is convenient for discharge the water in the pressure measurement joint.

Preferably, the switch member includes an end cap that is threadably engaged with the drain pipe.

Through adopting above-mentioned technical scheme, threaded connection has good joint strength, can close the drain pipe with the end cover firmly to avoid pressure measurement in-process end cover to a certain extent to open the drain pipe because pressure.

Preferably, a sealing gasket is arranged on the surface of the end cover close to the drain pipe.

Through adopting above-mentioned technical scheme, sealed pad plays sealed effect in order to prevent pressure measurement in-process drain pipe gas leakage to a certain extent to can reduce the pressure measurement error.

Preferably, a clamping groove is formed in the surface, close to the drain pipe, of the end cover, a clamping block is arranged on the surface, close to the end cover, of the sealing gasket, and the clamping block is clamped with the clamping groove.

Through adopting above-mentioned technical scheme, end cover and sealed pad are realized dismantling the connection through fixture block and draw-in groove block to can realize sealed change of filling up in order to prevent to leak gas because of sealed pad is ageing.

Preferably, the drain pipe is located the one side that the claw was kept away from to the joint main part, the water inlet of drain pipe is hopper-shaped.

Through adopting above-mentioned technical scheme, the drain pipe water inlet is and leaks hopper-shaped and makes the water in the joint main part flow in the drain pipe more easily and discharge, further makes things convenient for the drainage that connects the main part.

Preferably, a water chute is formed in the inner pipe wall of the joint main body along the length direction of the joint main body, one end, far away from the clamping jaw, of the water chute extends to the water inlet of the drain pipe, and the depth of the water chute is gradually increased along the direction from the clamping jaw to the water inlet of the drain pipe.

Preferably, the guiding gutter plays the effect of drainage, can drain the water drainage in the joint main part to the drain pipe and discharge to prevent to a certain extent that the water in the joint main part is detained in the joint main part, further make things convenient for the drain pipe drainage.

Preferably, a stopper is slidably disposed on an inner wall of the joint main body, the stopper is close to the jaw, a sliding groove with two closed ends is formed in the joint main body along the length direction of the joint main body, a sliding block is disposed on the stopper, the sliding block is in sliding fit with the sliding groove, a spring is disposed on an end face of the sliding groove, one end, far away from the end face of the sliding groove, of the spring is connected with the sliding block, and the diameter of the stopper is larger than the caliber of a water inlet of the joint main body.

Through adopting above-mentioned technical scheme, when carrying out the fire hydrant pressure measurement, pressure exerts thrust for the dog and makes the dog keep away from the water inlet of joint main part, thereby makes water pressure get into the water pressure that can measure the fire hydrant in the joint main part, after the pressure measurement, pressure disappears, and the effort is exerted for the dog to the spring, makes the dog remove and plug up the water inlet to joint main part water inlet to when can taking off the pressure measurement joint, water can not flow from the water inlet that the pressure measurement connects, thereby plays the effect that one-way switched on.

Preferably, the side wall of the end cover is rotatably provided with a rotating ring, the rotating ring is provided with a connecting rope, and one end of the connecting rope, which is far away from the rotating ring, is fixedly arranged on the outer pipe wall of the drain pipe.

Through adopting above-mentioned technical scheme, connect the rope and link together end cover and drain pipe, and because the swivel becket rotates and sets up on the end cover, so connect the rope and can not influence the unscrewing or screwing up of end cover to can prevent to a certain extent that the end cover from losing.

Preferably, the joint main body is detachably provided with a filter screen at one end close to the clamping jaws.

Through adopting above-mentioned technical scheme, the impurity that the filter screen contains in will getting into the aquatic in the pressure measurement connects filters at joint main part mouth to can avoid the impurity that the aquatic contains to a certain extent to block up the drain pipe and can't discharge water.

Preferably, the outer pipe wall of the joint main body is provided with anti-skid grains.

Through adopting above-mentioned scheme, anti-skidding line can increase the frictional force between operating personnel's hand and the pressure measurement joint to prevent to a certain extent that the pressure measurement joint from landing in the operating personnel hand.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water in the pressure measuring joint can be conveniently discharged under the combined action of the water discharging pipe and the end cover;

2. this application can be discharged to the drain pipe with the water drainage in the joint main part through being provided with the guiding gutter to prevent to a certain extent that the water in the joint main part is detained in the joint main part, further make things convenient for the drain pipe drainage.

Drawings

Fig. 1 is a schematic structural diagram of a hydrant pressure tap according to an embodiment of the present disclosure.

FIG. 2 is a cross-sectional view of a hydrant pressure tap according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded view illustrating the connection between the drain pipe and the end cap according to the embodiment of the present application.

Description of reference numerals: 1. a connector body; 11. a water chute; 12. anti-skid lines; 13. a chute; 2. a claw; 3. a pressure gauge; 4. a drain pipe; 5. an end cap; 51. a butterfly handle; 52. mounting grooves; 53. a card slot; 6. a stopper; 61. a slider; 62. a spring; 7. a gasket; 71. a clamping block; 8. filtering with a screen; 9. a rotating ring; 91. and connecting ropes.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a pressure measuring connector of a fire hydrant. Referring to fig. 1, the hydrant pressure measuring tap includes a tap body 1, a jaw 2 provided at one end of the tap body 1, and a pressure gauge 3 provided on the tap body 1. In order to facilitate the water in the fire hydrant pressure measuring connector to be discharged, the connector main body 1 is communicated with a drain pipe 4, one end, away from the connector main body 1, of the drain pipe 4 is provided with a switch piece used for opening and closing the drain pipe 4, and one end, away from the clamping jaw 2, of the connector main body 1 is closed. The drain pipe 4 forms certain contained angle with connecting the main part 1, and in this embodiment, connects 1 middle part of main part and is the cylinder form, and the one end cross-sectional area that connects main part 1 and keep away from jack catch 2 diminishes gradually, and drain pipe 4 forms the ninety degree contained angle with connecting main part 1. The residual water in the hydrant pressure tap can be discharged from the drain pipe 4 without inverting the hydrant pressure tap. Wherein, the delivery port of drain pipe 4 can the level setting, and specific angle sets up according to actual conditions.

Referring to fig. 2, in order to facilitate the water in the joint body 1 to flow into the drain pipe 4, the drain pipe 4 is disposed on one side of the joint body 1 away from the jaws 2, and a water inlet of the drain pipe 4 is funnel-shaped. Further, the guiding gutter 11 has been seted up along the length direction of joint main part 1 on the interior pipe wall of joint main part 1, and the one end that the claw 2 was kept away from to guiding gutter 11 extends to drain pipe 4 water inlet, and the degree of depth of guiding gutter 11 is followed from the direction grow gradually of claw 2 to drain pipe 4 water inlet to the rivers in the joint main part 1 flow into drain pipe 4.

Referring to fig. 1 and 2, in order to prevent impurities contained in water from blocking the drain pipe 4 to some extent and preventing drainage, a strainer 8 is detachably provided at one end of the joint body 1 remote from the pressure relief hose 6. The strainer 8 may be connected to the inner wall of the joint body 1 by bolts, or may be disposed on the inner wall of the joint body 1 in an attachable manner. When the accumulated impurities on the filter screen 8 are more, the filter screen 8 can be detached to be cleaned and then placed back into the connector main body 1.

Referring to fig. 3, in order to prevent water from flowing out from the water inlet of the pressure measuring joint when the pressure measuring joint is removed to a certain extent, a cylindrical stop 6 is slidably disposed on the inner wall of the joint main body 1, the stop 6 is close to the jaw 2, a sliding groove 13 with two closed ends is disposed in the joint main body 1 along the length direction of the joint main body 1, a sliding block 61 is disposed on the stop 6, the sliding block 61 is in sliding fit with the sliding groove 13, a spring 62 is disposed on the end surface of the sliding groove 13, one end of the spring 62, which is far away from the end surface of the sliding groove 13, is connected with the sliding block 61, and the diameter. When carrying out the pressure measurement of fire hydrant, pressure exerts thrust for dog 6 and makes dog 6 keep away from the water inlet of joint main part 1, thereby make water pressure get into in the joint main part 1 can measure the water pressure of fire hydrant, after the pressure measurement, pressure disappears, spring 62 exerts the effort for dog 6, makes dog 6 remove and plug up the water inlet to joint main part 1 water inlet, thereby when can taking off the pressure measurement joint, water can not flow from the water inlet that the pressure measurement connects, thereby play the effect of one-way conduction.

Referring to fig. 1 and 4, in order to firmly close the drain pipe 4 to prevent the drain pipe 4 from being opened due to pressure during the pressure measurement process to a certain extent, the switch member includes an end cap 5, the end cap 5 is cylindrical, threads are provided on a side wall of the end cap 5, threads are provided on an inner pipe wall of the drain pipe 4, and the end cap 5 is in threaded fit with the drain pipe 4. To facilitate screwing or unscrewing of the end cap 5, a butterfly handle 51 is provided on the face of the end cap 5 remote from the drain pipe 4. In order to avoid air leakage of the drain pipe 4 to some extent and increase the pressure measurement error, a gasket 7 is provided on the surface of the end cap 5 adjacent to the drain pipe 4.

Referring to fig. 4, a T-shaped fixture block 71 is arranged on the surface of the sealing gasket 7 close to the end cover 5, a T-shaped clamping groove 53 is formed on the surface of the end cover 5 close to the water discharge pipe 4, and the clamping groove 53 is clamped with the fixture block 71, so that the sealing gasket 7 can be detached. When the old gasket 7 ages, the new gasket 7 can be replaced.

Referring to fig. 4, a rotating ring 9 is rotatably disposed on a side wall of the end cap 5 and at a position close to the butterfly handle 51, a connecting rope 91 is disposed on the rotating ring 9, one end of the connecting rope 91, which is far away from the end cap 5, is disposed on an outer wall of the drain pipe 4, and the connecting rope 91 connects the drain pipe 4 and the end cap 5 together, so that the end cap 5 can be prevented from being lost to some extent. In order to avoid the falling off of the rotating ring 9, an annular mounting groove 52 is formed in the side wall of the end cover 5, and the rotating ring 9 is rotatably disposed in the mounting groove 52.

The implementation principle of the fire hydrant pressure measuring connector in the embodiment of the application is as follows: when the pressure of the fire hydrant is measured, the end cover 5 is screwed down, and then the pressure measuring joint of the fire hydrant is arranged on the fire hydrant through the clamping jaw 2 to measure the pressure; after the pressure measurement is finished, the pressure measurement joint is taken down, at the moment, due to the combined action of the stop block 6 and the spring 62, the stop block 6 blocks the water inlet of the pressure measurement joint, water cannot flow out of the water inlet of the pressure measurement joint, a water collecting bucket is placed below the water outlet of the water discharge pipe 4, then the end cover 5 is rotated to take out the end cover 5, and the water in the pressure measurement joint flows to the water discharge pipe 4 along the water guide groove 11 and is discharged from the water discharge pipe 4; when the water outlet pipe 4 is no longer running out, the end cover 5 is screwed down.

When the seal gasket 7 deteriorates due to aging, the locking piece 71 of the old seal gasket 7 is separated from the locking groove 53 of the end cap 5, and a new seal gasket 7 is replaced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire hydrant pressure measurement connects, includes joint main part (1), sets up jack catch (2) and manometer (3) of setting on joint main part (1) of connecting main part (1) one end, its characterized in that: the connector is characterized in that the connector body (1) is communicated with a drain pipe (4), one end, away from the connector body (1), of the drain pipe (4) is provided with a switch piece for opening and closing the drain pipe (4), and one end, away from the clamping jaw (2), of the connector body (1) is closed.

2. A fire hydrant pressure tap according to claim 1, wherein: the switch piece comprises an end cover (5), and the end cover (5) is in threaded fit with the drain pipe (4).

3. A fire hydrant pressure tap according to claim 2, wherein: and a sealing gasket (7) is arranged on the surface of the end cover (5) close to the drain pipe (4).

4. A fire hydrant pressure tap according to claim 3, wherein: the water draining pipe is characterized in that a clamping groove (53) is formed in the surface, close to the water draining pipe (4), of the end cover (5), a clamping block (71) is arranged on the surface, close to the end cover (5), of the sealing gasket (7), and the clamping block (71) is clamped with the clamping groove (53).

5. A fire hydrant pressure tap according to claim 1, wherein: the drain pipe (4) is located the one side that the jack catch (2) was kept away from in joint main part (1), the water inlet of drain pipe (4) is hourglass hopper-shaped.

6. A fire hydrant pressure tap according to claim 5, wherein: a water guide groove (11) is formed in the inner pipe wall of the joint main body (1) along the length direction of the joint main body (1), one end, far away from the clamping jaw (2), of the water guide groove (11) extends to a water inlet of the drain pipe (4), and the depth of the water guide groove (11) is gradually increased along the direction from the clamping jaw (2) to the water inlet of the drain pipe (4).

7. A fire hydrant pressure tap according to claim 1, wherein: the pipe joint is characterized in that a check block (6) is arranged on the inner pipe wall of the joint main body (1) in a sliding mode, the check block (6) is close to the clamping jaw (2), a sliding groove (13) with two closed ends is formed in the joint main body (1) along the length direction of the joint main body (1), a sliding block (61) is arranged on the check block (6), the sliding block (61) is in sliding fit with the sliding groove (13), a spring (62) is arranged on the end face of the sliding groove (13), one end, far away from the end face of the sliding groove (13), of the spring (62) is connected with the sliding block (61), and the diameter of the check block (6) is larger than the.

8. A fire hydrant pressure tap according to claim 2, wherein: the water draining pipe is characterized in that a rotating ring (9) is rotatably arranged on the side wall of the end cover (5), a connecting rope (91) is arranged on the rotating ring (9), and one end, far away from the rotating ring (9), of the connecting rope (91) is fixedly arranged on the outer pipe wall of the water draining pipe (4).

9. A fire hydrant pressure tap according to claim 1, wherein: one end of the joint main body (1) close to the clamping jaw (2) is detachably provided with a filter screen (8).

10. A fire hydrant pressure tap according to claim 1, wherein: the outer pipe wall of the joint main body (1) is provided with anti-skid grains (12).