CN219664075U - Pressure relief device of sprayer nozzle - Google Patents

Abstract

The utility model provides a pressure relief device of a sprayer nozzle, and belongs to the technical field of sprayers. It has solved the problem of how to improve pressure relief device's installation convenience. In this atomizer shower nozzle's pressure relief device, the atomizer shower nozzle includes the casing that the upper surface has the installation tube, and the relief hole has still been seted up to the upper surface of casing, and pressure relief device includes integrated into one piece in the mount pad of casing upper surface and being located installation tube one side, and the lateral part of mount pad can be dismantled and is connected with the compact heap, and pressure relief device still includes along vertical spring and case, and spring one end is supported tightly with the compact heap, and the other end elasticity acts on with the relief hole shutoff on the case. The pressure relief device of the sprayer nozzle is more convenient to install.

Description

Pressure relief device of sprayer nozzle

Technical Field

The utility model belongs to the technical field of sprayers, and relates to a pressure relief device of a sprayer nozzle.

Background

The sprayer is a relatively common tool in life nowadays, is widely applied to the fields of gardening, disinfection and epidemic prevention and the like, and is a direct-ejection type safety valve of a handheld sprayer disclosed in Chinese patent (issued publication number: CN 201239685Y), and comprises a kettle body and a kettle cover, wherein a water suction pipe and a pressure cylinder are arranged in the kettle body, a piston assembly is arranged in the pressure cylinder, and the piston assembly is connected with an inflation handle; the kettle cover is divided into a lower part and an upper part by a baffle plate, a water channel is arranged on the baffle plate and is connected with a water suction pipe, the lower part is in threaded connection with the opening part of the kettle body, a spray head is arranged on one side of the upper part of the kettle cover and is communicated with the water channel, a handle is arranged on the other side of the upper part of the kettle cover, a pulling mechanism is arranged in the handle and is connected with a switch of the spray head, a cover cap is arranged on the top of the kettle cover.

As can be seen from the drawings of the above-mentioned reference document, in order to ensure the normal use of the valve core, a cap needs to be installed at the top of the pot cover, the cap compresses a spring and the upper end of the valve core passes through a movable hole formed in the cap, and this way can ensure the normal use of the safety valve, and avoid the inflation and the cracking of the pot body caused by excessive inflation.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a pressure relief device of a sprayer nozzle, which aims to solve the technical problems that: how to improve the installation convenience of the pressure relief device.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a pressure relief device of atomizer shower nozzle, atomizer shower nozzle includes the casing that the upper surface has the installation tube, the pressure relief hole has still been seted up to the upper surface of casing, a serial communication port, pressure relief device includes integrated into one piece in the casing upper surface and is located the mount pad of installation tube one side, the lateral part of mount pad can be dismantled and be connected with the compact heap, pressure relief device still includes along vertical spring and case, spring one end supports tightly with the compact heap, the other end elasticity acts on the shutoff of pressure relief hole on the case.

This pressure relief device of atomizer shower nozzle is through on the upper surface of casing and be located mounting tube one side integrated into one piece mount pad to lateral part installation at the mount pad compresses tightly the piece, and horizontal space on the reasonable application casing avoids compressing tightly the piece too protruding in the direction of height, compresses tightly spacing to spring and case through compressing tightly the piece simultaneously, makes the case be supported tightly on the upper surface of casing under the elastic force of spring, compares in prior art, can dismantle the connection through compressing tightly the piece directness with the mount pad in the installation, makes not have to interfere the phenomenon between compressing tightly piece and the casing, need not like general as described in the comparison document, and the position of each hole on the gland is paid attention to during the assembly, guarantees that the assembly is more convenient.

In the pressure relief device of the sprayer nozzle, the pressing piece comprises a transverse plate positioned above the spring, the valve core is provided with a columnar positioning column, one end of the spring is abutted against the transverse plate, and the other end of the spring is sleeved outside the positioning column and abutted against the valve core.

The compressing part specifically comprises a cross plate, when the assembly is carried out, a user can sleeve one end of the spring on a positioning column arranged on the valve core, then the compressing part is detachably connected with the mounting seat, the cross plate is compressed on the other end of the spring, and therefore the elastic acting force of the spring is guided through the positioning column when the convenience in installation is ensured, and the valve core is ensured to compress the sealing pressure relief hole.

In the pressure relief device of the sprayer nozzle, the pressing piece further comprises a vertical plate which is integrally formed with the transverse plate and is positioned on one side of the spring, one side of the vertical plate, facing the spring, is provided with a plurality of strip-shaped inserting plates, the mounting seat is square, one side, facing away from the mounting pipe, of the mounting seat is provided with a mounting groove communicated with the pressure relief hole, the mounting seat is provided with a plurality of inserting holes, and each inserting plate is in one-to-one corresponding inserting connection with each inserting hole.

The pressing piece still includes a riser with diaphragm integrated into one piece, it is located spring one side, can play limiting displacement, avoid spring upper end to take place deformation to the side, one side of riser is provided with a plurality of picture peg, when installing, the user can imbed the riser in the mounting groove of seting up on the mount pad, thereby make the pressing piece reduce the horizontal protrusion volume of pressing piece when not too convex in the direction of height, avoid pressing piece and other parts on the casing to take place to interfere, and simultaneously, pressing piece is pegged graft through a plurality of picture peg on the riser and a plurality of sockets one-to-one of seting up on the mount pad, need not to install through other connecting piece cooperation, in reduction in production cost and improvement assembly convenience, still can ensure the connection stability of pressing piece and mount pad.

In the pressure relief device of the sprayer nozzle, the transverse plate and the vertical plate are integrally formed into an L shape, the width of the transverse plate is smaller than that of the vertical plate, and the vertical plate is rectangular and is provided with the inserting plate towards the corner of one side of the spring in the circumferential direction.

The diaphragm is L shape together with riser integrated into one piece for the diaphragm is the level setting for the riser, guarantees from this that spring and the tight one end atress of diaphragm are more stable, and from this it is more abundant to ensure the elastic force that the spring acted on the case, in addition, is limited to the width of diaphragm to be less than the width of riser, makes the position of a plurality of picture peg can set up in the circumference corner of riser one side, and from this side of assurance riser is connected more stably through picture peg and mount pad.

In the pressure relief device of the sprayer nozzle, one end of each plugboard, which is spliced with the socket, is provided with the clamping block with the trapezoidal cross section, and the interval between the two clamping blocks positioned at the same height is larger than the interval between the two sockets positioned at the same height.

When pegging graft picture peg and socket, because interval between two fixture blocks of same height is greater than the interval between two sockets of same height for two picture peg that lie in same height at the in-process of inserting can be inwards deformed by socket inner wall extrusion, outwards become original state after passing the socket, form spacingly between two fixture blocks and the mount pad this moment, make the detachable connection that compresses tightly the piece and can be more firm on the mount pad.

In the pressure relief device of the sprayer nozzle, the top of the mounting seat is penetrated to form a relief notch communicated with the mounting groove.

Through running through setting up the mount pad top and forming the breach of stepping down for the diaphragm and the riser that constitute the compress tightly the piece can be installed in the mount pad through the breach of stepping down, thereby avoid the elastic force of spring to exist and lead to compressing tightly the inconvenient installation of piece.

Compared with the prior art, the pressure relief device of the sprayer nozzle has the following advantages:

1. through can dismantle the connection in mount pad one side with compressing tightly the piece, compress tightly the spring when avoiding its altitude to cross in the convex for the case compresses tightly sealed pressure release hole through the elastic force of spring, need not to keep watch on the position of each hole site when compressing tightly the installation of piece simultaneously, it is more convenient to assemble.

2. The compressing part is directly compressed on the pressure relief device, so that the volume of the compressing part is smaller, and the manufacturing cost is further ensured to be lower.

Drawings

Fig. 1 is a schematic structural view of a pressure relief device of the sprayer nozzle.

Fig. 2 is a cross-sectional view and a partial enlarged view of the pressure relief device of the sprayer nozzle.

Fig. 3 is a schematic structural view of the housing.

Fig. 4 is a schematic structural view of the pressing member.

Fig. 5 is a schematic structural view of the valve cartridge.

Fig. 6 is a front view of the pressure relief device of the sprayer nozzle.

In the figure, 1, a shell; 11. installing a pipe; 12. a pressure relief hole; 13. a mounting base; 131. a mounting groove; 132. a socket; 133. a relief notch; 2. a pressing member; 21. a cross plate; 22. a riser; 221. inserting plate; 2211. a clamping block; 3. a spring; 4. a valve core; 41. and (5) positioning blocks.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 3 and 6, in the pressure relief device of the sprayer nozzle, the sprayer nozzle comprises a housing 1 with an installation tube 11 on the upper surface, the installation tube 11 is used for assembling a piston on the housing 1, a pressure relief hole 12 is formed in the upper surface of the housing 1, and the pressure relief hole 12 is communicated with a cavity in the housing 1.

The pressure relief device comprises a mounting seat 13 which is arranged on the upper surface of an integrated shell 1 and is positioned on one side of a mounting tube 11, the mounting seat 13 is square, a mounting groove 131 which is communicated with a pressure relief hole 12 is formed on one side of the mounting tube 11, a relief notch 133 which is communicated with the mounting groove 131 is formed through penetration of the top of the mounting seat 13, the pressure relief device further comprises a pressing piece 2, a spring 3 and a valve core 4, the pressing piece 2 comprises a transverse plate 21 and a vertical plate 22 which are integrally formed together and are rectangular, the transverse plate 21 and the vertical plate 22 are integrally formed into an L shape, the spring 3 is positioned below the transverse plate 21, the vertical plate 22 is positioned on one side of the spring 3, the valve core 4 is plate-shaped and is positioned below the spring 3, a positioning column 41 which is cylindrical is integrally formed on the upper surface of the valve core 4, a guide column which is convexly arranged and is inserted into the pressure relief hole 12 is formed at the lower end, the circumferential outer wall of the lower end is gradually inclined inwards from top down, the lower end of the valve core 4 surrounds the guide column, a fixing groove is formed in an embedded manner, the fixing groove is provided with a sealing ring, the upper end of the spring 3 is tightly abutted against the transverse plate 21, and the lower end of the valve core 21 is abutted against the positioning column 41, and the upper end of the positioning column 41 is abutted against the upper surface of the valve core 41.

Referring to fig. 4, the cross plate 21 is located in the middle of the upper end of the side of the riser 22 facing the spring 3, the width of the cross plate 21 is smaller than the width of the riser 22, the strip-shaped plugboards 221 are integrally formed at the corners of the periphery of the side of the riser 22, four plugboards 132 are provided on the mounting base 13, the positions of the plugboards 132 are in one-to-one correspondence with the plugboards 221, the pressing piece 2 can enable the plugboards 221 to be in one-to-one correspondence with the plugboards 132 after being embedded into the mounting groove 131, in addition, the one end of each plugboard 221, which is in plug with the plugboards 132, is integrally formed with the clamping blocks 2211 with the cross section in the shape of a right trapezoid, the distance between two clamping blocks 2211 located at the same height is larger than the distance between the two plugboards 132 at the same height, the cross plate 21 is located between the two plugboards 221 arranged at the top of the riser 22, and the length of the cross plate 21 is smaller than the plugboards 221, and the limiting groove is formed by surrounding the two plugboards 221 located at the same side and the riser 22.

The assembly principle is as follows: the user inserts the guide post of its lower extreme into pressure release hole 12 with the case 4 in mounting groove 131, then cup joints the lower extreme of spring 3 outside reference column 41, and then by the breach 133 that gives way that is located mounting groove 131 top with compressing tightly piece 2 embedding mounting groove 131, the user constantly oppresses down in this state compresses tightly piece 2 for spring 3 constantly supports tightly with diaphragm 21, until each picture peg 221 that compressing tightly piece 2 will aligns with each socket 132 on mount pad 13, pass socket 132 through fixture block 2211 and make behind compressing tightly piece 2 location on mount pad 13, the elastic force that the spring 3 produced acts on case 4, make case 4 compress tightly pressure release hole 12 sealed.

The use principle is as follows: under the state that the pressure in the kettle body is smaller than the elastic force of the spring 3, the valve core 4 is pressed downwards by the spring 3, so that the sealing ring is propped against the bottom wall of the mounting groove 131 around the pressure relief hole 12, the pressure relief hole 12 is blocked under the state, when a user continuously inflates the kettle body, and the air pressure in the kettle body is larger than the elastic force of the spring 3, the valve core 4 is pushed upwards by the air pressure in the kettle body, so that the sealing ring is separated from the inner wall of the bottom of the mounting groove 131, the pressure relief hole 12 is exposed, redundant part of air in the kettle body is discharged outwards through the pressure relief hole 12, and when the air pressure in the kettle body is reduced to be smaller than the elastic force of the spring 3, the valve core 4 is pressed downwards again by the spring 3, so that the sealing ring is propped against the bottom wall of the mounting groove 131 around the pressure relief hole 12, and the pressure relief hole 12 is re-blocked under the state.

Furthermore, as an alternative, the detachable connection of the compression element 2 may also be: a clamping groove is formed in one end of each plugboard 221, meanwhile, a buckle is integrally formed on the inner wall of the mounting groove 131, and after the pressing piece 2 is pressed down to enable the plugboard 221 to be located below the buckle, the buckle is slowly released, so that the buckle is embedded into the clamping groove of the plugboard to form limit.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the housing 1, the mounting tube 11, the pressure release hole 12, the mounting seat 13, the mounting groove 131, the socket 132, the relief notch 133, the pressing member 2, the cross plate 21, the riser 22, the insert plate 221, the fixture block 2211, the spring 3, the valve core 4, the positioning block 41, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (6)

1. The utility model provides a pressure relief device of atomizer shower nozzle, the atomizer shower nozzle includes casing (1) that the upper surface has mounting tube (11), pressure relief hole (12) have still been seted up to the upper surface of casing (1), a serial communication port, pressure relief device includes integrated into one piece in casing (1) upper surface and be located mount pad (13) of mounting tube (11) one side, mount pad (13) lateral part can be dismantled and be connected with compact heap (2), pressure relief device still includes along vertical spring (3) and case (4), spring (3) one end supports tightly with compact heap (2), the other end elasticity acts on with pressure relief hole (12) shutoff on case (4).

2. The pressure relief device of the sprayer nozzle according to claim 1, characterized in that the pressing piece (2) comprises a transverse plate (21) positioned above the spring (3), the valve core (4) is provided with a columnar positioning column (41), one end of the spring (3) is abutted against the transverse plate (21), and the other end is sleeved outside the positioning column (41) and abutted against the valve core (4).

3. The pressure relief device of a sprayer nozzle according to claim 2, characterized in that the pressing piece (2) further comprises a vertical plate (22) which is integrally formed with the transverse plate (21) and is positioned at one side of the spring (3), a plurality of strip-shaped inserting plates (221) are arranged at one side of the vertical plate (22) facing the spring (3), the mounting seat (13) is square, a mounting groove (131) which is communicated with the pressure relief hole (12) is formed at one side of the mounting seat (13) facing away from the mounting tube (11), a plurality of inserting holes (132) are formed in the mounting seat (13), and each inserting plate (221) is in one-to-one corresponding inserting connection with each inserting hole (132).

4. A pressure relief device for a sprayer nozzle according to claim 3, characterized in that the cross plate (21) and the vertical plate (22) are integrally formed in an L-shape, the width of the cross plate (21) is smaller than the width of the vertical plate (22), and the vertical plate (22) is rectangular and is provided with the insert plate (221) towards a side circumferential corner of the spring (3).

5. The pressure relief device of a sprayer nozzle according to claim 3 or 4, characterized in that one end of each plug board (221) connected with the socket (132) is provided with a clamping block (2211) with a trapezoid cross section, and the interval between two clamping blocks (2211) positioned at the same height is larger than the interval between two sockets (132) positioned at the same height.

6. The pressure relief device of a sprayer nozzle of claim 3 or 4, wherein a relief notch (133) communicating with the mounting groove (131) is formed through the top of the mounting base (13).