CN215374467U

CN215374467U - Pressure testing device for fire-fighting accessories

Info

Publication number: CN215374467U
Application number: CN202121471255.8U
Authority: CN
Inventors: 卢文河; 卢文理; 吴玉云
Original assignee: Fujian Shouvalve Fire Technology Co ltd
Current assignee: Fujian Shouvalve Fire Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-31
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a pressure testing device for fire fittings, which comprises a casing, a driving mechanism for providing power during pressure testing, a pressure boosting mechanism for increasing pressure during pressure testing, wherein the driving mechanism and the pressure boosting mechanism are both positioned in the casing, the pressure boosting mechanism is positioned on one side of the driving mechanism, the pressure testing device also comprises a pressure testing mechanism for detecting pressure during pressure testing, and the pressure testing mechanism comprises a connecting pipe, a pressure testing pipe, an electromagnetic valve, an air release pipe and a pressure sensor. The utility model utilizes the connecting pipe on the pressure measuring pipe to be connected with the tested accessory, simultaneously utilizes the pressure sensor to detect the pressure change in the pressure measuring pipe, and simultaneously utilizes the matching of the electromagnetic valve and the air leakage pipe to discharge the measured gas, thereby rapidly detecting the pressure of the fire extinguishing accessory, and the whole weight is light and the movement is convenient.

Description

Pressure testing device for fire-fighting accessories

Technical Field

The utility model relates to the field of fire-fighting accessory detection, in particular to a pressure testing device for fire-fighting accessories.

Background

Fire-fighting equipment refers to equipment used for fire extinguishing, fire prevention and fire accidents; and the fire control accessory is the main component part of fire control equipment, and the fire control accessory mainly includes steel pipe, valve, shower head, fire hose and detection sensor etc. and need carry out pressure test to it before using among these fire control accessories such as steel pipe, valve, shower head, and fire control accessory adoption after the test uses, and its holistic weight of current pressure testing device is great and overall structure is comparatively complicated, and is inconvenient to it removes.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a pressure test device for fire fittings.

The utility model realizes the purpose through the following technical scheme:

the utility model provides a fire control is pressure testing device for accessory, includes the casing, be used for the pressure testing time provide power actuating mechanism, be used for increasing the pressure boost mechanism of pressure during the pressure testing, actuating mechanism with pressure boost mechanism all is located inside the casing, pressure boost mechanism is located actuating mechanism one side, pressure measurement mechanism of detection pressure when still being used for the pressure testing, pressure measurement mechanism includes connecting pipe, pressure-measuring pipe, solenoid valve, disappointing pipe, pressure sensor, the connecting pipe is installed the pressure-measuring pipe upper end, the pressure-measuring pipe lower extreme sets up pressure boost mechanism one end, disappointing pipe sets up the outside of pressure-measuring pipe intermediate position, the solenoid valve sets up on the disappointing pipe, pressure sensor sets up pressure-measuring pipe intermediate position just is located solenoid valve one side.

Preferably: booster mechanism includes pressure cylinder, fixing base, check valve, removal end cap, soft spring, piston, the fixing base passes through bolted connection and is in the inboard bottom of casing, pressure cylinder passes through welded connection and is in the fixing base top, the check valve passes through threaded connection and is in pressure cylinder one end, the piston sets up the inside other end of pressure cylinder, it is in to remove the end cap setting the central point of piston one end puts, remove the end cap with be provided with between the piston soft spring.

According to the arrangement, the movable plug, the soft spring and the piston move in the pressure cylinder in a reciprocating mode to enable outside air to be continuously pressed into the pressure cylinder, and the air is sent into the pressure measuring pipe through the one-way valve at one end of the pressure cylinder to form certain pressure.

Preferably: actuating mechanism includes first mount, rack, first gear, first motor, support frame, first mount passes through bolted connection and is in the other end of pressurized cylinder, the support frame passes through welded connection and is in the inside upside of first mount, first gear passes through the hub connection and is in the inside downside of first mount, first motor passes through bolted connection and is in both sides around the first mount, the rack sets up the support frame is inboard.

According to the arrangement, the first gear is driven to rotate by the first motor rotating part, the rack is driven to reciprocate on the support frame through alternate forward and reverse rotation of the first gear, and the piston is driven to move through the rack.

Preferably: actuating mechanism includes second mount, screw rod, second motor, rotates seat, second gear, the second mount passes through bolted connection and is in the opposite side of pressurized cylinder, it sets up to rotate the seat the inside upside of second mount, the screw rod passes through threaded connection and is in rotate seat central point and put, the second gear passes through the hub connection and is in the inside downside of second mount, the second motor passes through bolted connection and is in the second mount other end.

According to the arrangement, the second motor rotating part is used for driving the second gear to alternately rotate forwards and reversely, the rotating seat is driven to move through the rotation of the second gear, and then the screw rod is driven to reciprocate towards two sides through the rotation of the rotating seat, so that the piston is driven to move.

Preferably: the rack lower extreme is provided with the tooth, simultaneously the support frame is for "protruding" type structure, and the rack tooth stretches out the one side of support frame bottom.

According to the arrangement, the support frame is used for supporting the movement of the rack, and the teeth at the lower end of the rack are used for being matched with the first gear, so that the reciprocating movement of the rack is realized.

Preferably: a groove is formed in the middle of the rotating seat, and helical teeth are arranged on the outer side of the rotating seat.

According to the arrangement, the screw rod is supported by the rotating seat, and meanwhile, the helical teeth on the outer side of the rotating seat and the second gear are matched with each other to rotate, so that the reciprocating movement of the screw rod can be realized.

Compared with the prior art, the utility model has the following beneficial effects: utilize the connecting pipe on the pressure-measuring pipe to be connected with the accessory of being surveyed, utilize pressure sensor to detect the change of pressure-measuring pipe internal pressure simultaneously, utilize the cooperation of solenoid valve and disappointing pipe simultaneously to come to carry out pressure measurement to the quick component of fighting against fire to detect pressure, and whole weight is lighter and convenient in the removal.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment 1 of a pressure testing device for fire fittings according to the present invention;

FIG. 2 is a schematic structural view of an embodiment 2 of a pressure testing device for fire fittings according to the present invention;

FIG. 3 is a partial sectional view of an embodiment 1 of a driving mechanism of a pressure testing device for fire fittings according to the present invention;

FIG. 4 is a partial sectional view of an embodiment 2 of a driving mechanism of a pressure testing device for fire fittings according to the present invention;

FIG. 5 is a partial component view of a pressure measuring mechanism of a pressure testing device for fire fittings according to the present invention;

fig. 6 is a partial sectional view of a pressurizing mechanism of a pressure test device for fire fittings according to the present invention.

The reference numerals are explained below:

1. a pressure measuring mechanism; 2. a housing; 3. a drive mechanism; 4. a pressurization mechanism; 11. a connecting pipe; 12. a piezometric tube; 13. an electromagnetic valve; 14. an air escape pipe; 15. a pressure sensor; 31. a first fixing frame; 32. a rack; 33. a first gear; 34. a first motor; 35. a support frame; 311. a second fixing frame; 312. a screw; 313. a second motor; 314. a rotating seat; 315. a second gear; 41. a booster cylinder; 42. a fixed seat; 43. a one-way valve; 44. moving the plug; 45. a soft spring; 46. a piston.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

the utility model provides a fire control is pressure testing device for accessory, which comprises a housing 2, the actuating mechanism 3 that provides power when being used for the pressure testing, pressure measuring mechanism 4 for pressure when increasing the pressure testing, actuating mechanism 3 and pressure measuring mechanism 4 all are located 2 insides of casing, pressure measuring mechanism 4 is located 3 one sides of actuating mechanism, still detect pressure's pressure measuring mechanism 1 when being used for the pressure testing, pressure measuring mechanism 1 includes connecting pipe 11, pressure-measuring pipe 12, solenoid valve 13, the pipe 14 that loses heart, pressure sensor 15, connecting pipe 11 is installed in pressure-measuring pipe 12 upper end, the setting of pressure-measuring pipe 12 lower extreme is in 4 one end of pressure measuring mechanism, the outside at pressure-measuring pipe 12 intermediate position is lost heart to 14 setting of pipe, solenoid valve 13 sets up on the pipe 14 that loses heart, pressure sensor 15 sets up in pressure-measuring pipe 12 intermediate position and is located solenoid valve 13 one side.

Example 1

As shown in fig. 1, 3, 5, and 6, the pressurizing mechanism 4 includes a pressurizing cylinder 41, a fixed seat 42, a check valve 43, a movable plug 44, a soft spring 45, and a piston 46, wherein the fixed seat 42 is connected to the bottom of the inner side of the casing 2 by a bolt, the pressurizing cylinder 41 is connected to the top of the fixed seat 42 by welding, the check valve 43 is connected to one end of the pressurizing cylinder 41 by a screw, the piston 46 is arranged at the other end of the pressurizing cylinder 41, the movable plug 44 is arranged at the center of one end of the piston 46, the soft spring 45 is arranged between the movable plug 44 and the piston 46, the air from the outside is constantly pressed into the pressurizing cylinder 41 by the reciprocating movement of the movable plug 44, the soft spring 45, and the piston 46 in the pressurizing cylinder 41, and the air is sent into the pressure measuring pipe 12 by the check valve 43 at one end of the pressurizing cylinder 41 to form a certain pressure; the driving mechanism 3 comprises a first fixing frame 31, a rack 32, a first gear 33, a first motor 34 and a support frame 35, the first fixing frame 31 is connected to the other end of the pressure cylinder 41 through bolts, the support frame 35 is connected to the upper side inside the first fixing frame 31 through welding, the first gear 33 is connected to the lower side inside the first fixing frame 31 through a shaft, the first motor 34 is connected to the front side and the rear side of the first fixing frame 31 through bolts, the rack 32 is arranged inside the support frame 35, the rotating part of the first motor 34 is used for driving the first gear 33 to rotate, the rack 32 is driven to reciprocate on the support frame 35 through alternate forward and reverse rotation of the first gear 33, and therefore the piston 46 is driven to move through the rack 32; the lower end of the rack 32 is provided with teeth, meanwhile, the support frame 35 is of an inverted convex structure, the teeth of the rack 32 extend out of the bottom of the support frame 35, the support frame 35 is used for supporting the movement of the rack 32, and the teeth at the lower end of the rack 32 are used for being matched with the first gear 33, so that the reciprocating movement of the rack 32 is realized.

The working principle is as follows: when the fire-fighting accessory detection device is used, firstly, a fire-fighting accessory needing to be detected is installed on the connecting pipe 11, then the power supply of the first motor 34 is started, at the moment, the rotating part of the first motor 34 drives the first gear 33 to rotate clockwise, the rack 32 is driven to penetrate into the pressure cylinder 41 through the rotation of the first gear 33, in the process, the soft spring 45 is compressed, the other end of the plug 44 is moved to block the air inlet hole in the middle position of the piston 46, at the moment, the gas in the pressure cylinder 41 is pressed into the pressure measuring pipe 12 through the check valve 43, the gas density in the pressure measuring pipe 12 is increased, when the piston 46 moves to one side in the pressure cylinder 41, the rotating part of the first motor 34 drives the first gear 33 to rotate anticlockwise, at the moment, the first gear 33 drives the rack 32 to move towards the other end of the pressure measuring cylinder 41, in the process, the soft spring 45 is not compressed, and the other end of the plug 44 is moved to block the air inlet hole in the middle position of the piston 46, meanwhile, outside air enters the air inlet hole at the central position of the piston 46 through the fan-shaped air hole at the other end of the piston, and then the inside of the pressure cylinder 41 is inflated; the actions are continuously repeated, so that the gas pressure in the pressure measuring pipe 12 is continuously increased, when the pressure sensor 15 detects that the pressure in the pressure measuring pipe 12 reaches a proper pressure, the action of the driving mechanism 3 is stopped, the pressure is continuously measured through the pressure sensor 15 at the moment, and after a certain time, when the pressure sensor 15 measures the pressure in the pressure measuring pipe 12 and is not reduced, the fact that no problem exists in the pressure measuring stage of the fire-fighting accessory can be proved.

Example 2

As shown in fig. 2 and 4, the difference between the embodiment 2 and the embodiment 1 is that the driving mechanism 3 includes a second fixed frame 311, a screw 312, a second motor 313, a rotating base 314, and a second gear 315, the second fixed frame 311 is connected to the other side of the pressure cylinder 41 by a bolt, the rotating base 314 is disposed at the upper side inside the second fixed frame 311, the screw 312 is connected to the center of the rotating base 314 by a thread, the second gear 315 is connected to the lower side inside the second fixed frame 311 by a shaft, the second motor 313 is connected to the other end of the second fixed frame 311 by a bolt, the rotating portion of the second motor 313 is used to drive the second gear 315 to alternately rotate in the forward and reverse directions, the rotating base 314 is driven to operate by the rotation of the second gear 315, and then the screw 312 is driven to reciprocate to both sides by the rotation of the rotating base 314, so as to drive the piston 46 to move; the middle position of the rotating seat 314 is provided with a groove, and the outer side of the rotating seat 314 is provided with helical teeth, so that the screw 312 is supported by the rotating seat 314, and the helical teeth on the outer side of the rotating seat 314 and the second gear 315 are matched with each other to rotate, thereby realizing the reciprocating movement of the screw 312.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a fire control is pressure testing device for accessory, includes casing (2), actuating mechanism (3) that provides power when being used for the pressure testing, pressure boost mechanism (4) that are used for increasing pressure testing, actuating mechanism (3) with pressure boost mechanism (4) all are located inside casing (2), pressure boost mechanism (4) are located actuating mechanism (3) one side, its characterized in that: pressure measurement mechanism (1) of detection pressure when still being used for the pressure testing, pressure measurement mechanism (1) is including connecting pipe (11), pressure-measuring pipe (12), solenoid valve (13), disappointing pipe (14), pressure sensor (15), install connecting pipe (11) pressure-measuring pipe (12) upper end, pressure-measuring pipe (12) lower extreme sets up pressure-measuring mechanism (4) one end, disappointing pipe (14) set up the outside of pressure-measuring pipe (12) intermediate position, solenoid valve (13) set up on disappointing pipe (14), pressure sensor (15) set up pressure-measuring pipe (12) intermediate position just is located solenoid valve (13) one side.

2. The pressure testing device for fire fittings according to claim 1, wherein: booster mechanism (4) are including pressure cylinder (41), fixing base (42), check valve (43), remove end cap (44), soft spring (45), piston (46), bolted connection is passed through in fixing base (42) inboard bottom, pressure cylinder (41) are in through welded connection fixing base (42) top, check valve (43) are in through threaded connection pressure cylinder (41) one end, piston (46) set up the inside other end of pressure cylinder (41), it is in to remove end cap (44) set up the central point of piston (46) one end puts, remove end cap (44) with be provided with between piston (46) soft spring (45).

3. The pressure testing device for fire fittings according to claim 2, wherein: actuating mechanism (3) are including first mount (31), rack (32), first gear (33), first motor (34), support frame (35), bolted connection is passed through in first mount (31) the other end of pressurized cylinder (41), support frame (35) are in through welded connection the inside upside of first mount (31), first gear (33) are in through the hub connection the inside downside of first mount (31), first motor (34) are in through bolted connection both sides around first mount (31), rack (32) set up support frame (35) are inboard.

4. The pressure testing device for fire fittings according to claim 2, wherein: actuating mechanism (3) include second mount (311), screw rod (312), second motor (313), rotate seat (314), second gear (315), second mount (311) pass through bolted connection the opposite side of pressurized cylinder (41), it sets up to rotate seat (314) the inside upside of second mount (311), screw rod (312) pass through threaded connection and are in rotate seat (314) central point, second gear (315) are in through the hub connection the inside downside of second mount (311), second motor (313) pass through bolted connection second mount (311) other end.

5. The pressure testing device for fire fittings according to claim 3, wherein: the lower end of the rack (32) is provided with teeth, the support frame (35) is of an inverted convex structure, and the teeth of the rack (32) extend out of the surface of the bottom of the support frame (35).

6. The pressure testing device for fire fittings according to claim 4, wherein: a groove is formed in the middle of the rotating seat (314), and inclined teeth are arranged on the outer side of the rotating seat (314).