Adjustable pressing pump head

Abstract

The utility model relates to the technical field of pump heads, and discloses an adjustable pressing pump head which comprises a lock cover, the inner wall of the lock cover is fixedly connected with an inner pipe, the inner wall of the inner pipe is in sliding connection with a valve element, a threaded groove is formed in the top end of the outer wall of the valve element, and the top end of the valve element is in threaded connection with a connecting shell. A conveying pipe is fixedly installed in the connecting shell, the bottom end of the conveying pipe is clamped to the top end of the valve element, the top wall of the connecting shell is rotationally connected with a rotating column, the top wall of the rotating column is rotationally connected with a top cover, the bottom wall of the top cover communicates with a liquid outlet, and the top end of the liquid outlet communicates with the left end of the conveying pipe. The top end of the valve element is disconnected from the connecting shell by rotating the connecting shell, the locking cover at the top of the top cover is aligned with the top end of the valve element by turning over the top cover, and the locking cover is rotated to be in threaded connection with the top end of the valve element to complete locking, so that the valve element is sealed to prevent liquid from leaking out.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump head technical field especially, relates to an adjustable press pump head. BACKGROUND

[0002] Pump head is a kind of device for conveying liquid, usually as the part of liquid packaging container, widely used in many fields of daily chemical, medicine and chemical, pump head can be mainly divided into manual press pump head, spray pump head and quantitative pump head, the shell of pump head is its external structure, mainly to protect internal components and provide handheld part, the shell is made of plastic, has certain strength and tenacity, piston assembly is tightly matched with the inner wall in pump body, changes the volume in pump body to realize the suction and discharge of liquid, spring is located below piston, is the component providing reset function, suction tube is used to guide liquid from the bottom of container to the inside of pump head, liquid outlet is the passage of liquid outflow pump head.

[0003] Press pump head is a kind of pump head, when pressing pump head, external force is transmitted to piston through pump head, makes piston move downward in pump body, the space in pump body reduces, pressure increases, under the action of pressure, liquid is sucked into pump body through suction tube, simultaneously, the liquid originally located in pump body is extruded and discharged through liquid outlet and spray head, when releasing pump head, the elastic force of spring makes piston reset upward, the pressure in pump body restores normal, the liquid in container is under the action of atmospheric pressure again into pump body.

[0004] Press pump head is used in the top of daily necessities when using, so that daily necessities can be carried outside when people go out, since traditional press head cannot be buckled with lock cover again after being popped out from lock cover, so that the articles in luggage case are prone to colliding with press pump head to cause extrusion pump head, so that liquid flows out and pollutes articles in luggage case, the existing solution is to use plastic bag to cover daily necessities separately to prevent contact with articles in luggage case, but still cannot prevent the situation of leakage caused by extrusion well, so that the carrying and using effect of daily necessities with press pump head is affected. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of adjustable press pump head, to improve the problem that the situation of leakage caused by extrusion cannot be completed well in prior art, so that the carrying and using effect of daily necessities with press pump head is affected.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a adjustable formula press pump head, including the lock cover, the inner wall fixed connection of lock cover has the inner tube, the inner wall sliding connection of inner tube has the valve core, the outer wall top end of valve core is equipped with the thread groove, the top end screw thread connection of valve core has the connecting shell, the inside fixed mounting of connecting shell has the delivery pipe, the bottom of delivery pipe with the top end of valve core is engaged, the top wall rotation is connected of connecting shell has the rotation column, the top wall rotation is connected of rotation column has the top cover, the bottom wall intercommunication of top cover has the liquid outlet, the top end of liquid outlet with the left end of delivery pipe is linked together, the top wall fixed connection of top cover has the lock cover, the inner wall of lock cover with the top end screw thread connection of valve core, the front of connecting shell is provided with locking assembly, the bottom of inner tube intercommunication has the extraction pipe, the outer wall of inner tube is provided with the scraping mechanism, the scraping mechanism is used for reducing the condition that liquid is attached the outer wall of inner tube.

[0007] As further description of the above technical solution:

[0008] The scraping mechanism includes a fixed shell, the outer wall of the fixed shell is arranged on the outer wall of the inner tube, an annular groove is formed in the inner wall of the fixed shell, a plurality of return springs are fixedly connected to the inner wall of the fixed shell at equal intervals, one end of each return spring is fixedly connected to a rubber arc plate, and a plastic knob is threadedly connected to the outer wall of the fixed shell on the left and right sides.

[0009] As further description of the above technical solution:

[0010] The locking assembly includes a locking plate, the bottom end of the locking plate is rotationally connected to the front side of the connecting shell, a locking groove is formed in the middle of the bottom wall of the top cover, and the top of the locking plate is engaged with the locking groove.

[0011] As further description of the above technical solution:

[0012] The scraping mechanism further includes two spacers, and the inner walls of the two spacers are fixedly connected to the middle portions of the corresponding plastic knobs.

[0013] As further description of the above technical solution:

[0014] A groove is formed in the front side of the top wall of the inner tube, and the bottom of the locking plate is engaged with the groove.

[0015] As further description of the above technical solution:

[0016] The top wall of the top cover is fixedly connected with a plurality of rubber pads, and the plurality of rubber pads are arranged at equal intervals.

[0017] As further description of the above technical solution:

[0018] The front side of the lock cover is fixedly connected with a connecting pipe, and the top end of the connecting pipe is fixedly connected with a sealing cover.

[0019] As a further description of the above technical solution:

[0020] The two plastic knobs are symmetrically designed, and the sides away from each other of the two plastic knobs are designed to be smooth.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. In the utility model, by rotating the connecting shell, the top end of the valve core is disengaged from the threaded groove of the connecting shell, and then the connecting shell and the top cover are separated from the valve core, and at the same time, the top cover is turned over, so that the locking cover at the top of the top cover is aligned with the top end of the valve core, and then the locking cover is rotated to be screwed with the top end of the valve core to complete the locking, so that the valve core is sealed to prevent liquid leakage, and at the same time, under the connection of the locking plate, the top cover is rotated to achieve the purpose of turning over, thereby improving the space utilization rate of the pump head.

[0023] 2. In the utility model, by clamping the fixed shell on the inner wall of the bottle body, under the rotation of the plastic knob, one end of the plastic knob penetrates the bottle body and fixes the fixed shell, so that under the connection of the reset spring, the rubber arc plate exerts pressure on the inner tube and the extraction tube, and when the inner tube and the extraction tube are pulled out, the effect of scraping off the attached liquid is achieved, and the liquid attachment is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view of the adjustable pressing pump head is provided for the utility model;

[0025] Figure 2 A side view of the adjustable pressing pump head is provided for the utility model;

[0026] Figure 3 A sectional view of the valve core of the adjustable pressing pump head is provided for the utility model;

[0027] Figure 4 A split view of the top cover of the adjustable pressing pump head is provided for the utility model;

[0028] Figure 5 A split view of the scraping mechanism of the adjustable pressing pump head is provided for the utility model.

[0029] LEGEND:

[0030] 1, lock cover; 2, scraping mechanism; 201, fixed shell; 202, annular groove; 203, return spring; 204, rubber arc plate; 205, plastic knob; 206, gasket; 3, inner tube; 4, valve core; 5, threaded groove; 6, connecting shell; 7, delivery pipe; 8, rotating column; 9, top cover; 10, liquid outlet; 11, locking plate; 12, locking groove; 13, locking cover; 14, recess; 15, connecting pipe; 16, sealing cover; 17, rubber pad; 18, extraction pipe. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Referring to Figure 1 , Figure 3 and Figure 4 , the present application provides an embodiment: an adjustable pressing pump head, comprising a lock cover 1, which is installed with a bottle body through the lock cover 1, the inner wall of the lock cover 1 is fixedly connected with an inner tube 3, which is connected with a valve core 4 through the inner tube 3, the inner wall of the inner tube 3 is slidably connected with the valve core 4, which is connected with the delivery and plugging of the liquid through the valve core 4, the outer wall top end of the valve core 4 is provided with a threaded groove 5, the threaded groove 5 is provided, so that the connecting shell 6 and the locking cover 13 are connected with the top end of the valve core 4, the top end of the valve core 4 is threadedly connected with the connecting shell 6, the purpose of installing and connecting the valve core 4 is achieved through the connecting shell 6, the inner part of the connecting shell 6 is fixedly installed with a delivery pipe 7, which is further delivered through the delivery pipe 7, the bottom end of the delivery pipe 7 is clamped with the top end of the valve core 4, and then the connecting shell 6 and the delivery pipe 7 are connected and clamped, so as to ensure the sealed delivery of the liquid;

[0033] The top wall of the connecting shell 6 is rotationally connected with a rotating column 8, under the connection of the rotating column 8, the top cover 9 completes the rotating effect, the top wall of the rotating column 8 is rotationally connected with the top cover 9, and the top cover 9 achieves the purpose of pressing the valve core 4, the bottom wall of the top cover 9 is communicated with a liquid outlet 10, the top end of the liquid outlet 10 is communicated with the left end of the conveying pipe 7, the liquid outlet 10 is communicated with the conveying pipe 7, so that the liquid is extruded through the liquid outlet 10, the top wall of the top cover 9 is fixedly connected with a locking cover 13, the locking cover 13 is threadedly connected with the top end of the valve core 4, so that the valve core 4 completes the sealing effect when it is taken out, the inner wall of the locking cover 13 is threadedly connected with the top end of the valve core 4, thereby avoiding the leakage, the front side of the connecting shell 6 is provided with a locking assembly, the locking assembly completes the rotation limitation of the top cover 9, the bottom end of the inner pipe 3 is communicated with a pumping pipe 18, and the pumping pipe 18 completes the pumping of the liquid, the outer wall of the inner pipe 3 is provided with a scraping mechanism 2, and the scraping mechanism 2 is used for reducing the liquid adhesion to the outer wall of the inner pipe 3; the locking assembly comprises a locking plate 11, the top end of the locking plate 11 is rotationally connected with the front side of the connecting shell 6, and the bottom end of the locking plate 11 is rotationally connected with the front side of the connecting shell 6; the middle part of the bottom wall of the top cover 9 is provided with a locking groove 12, the top of the locking plate 11 is clamped in the locking groove 12, so as to achieve the purpose of fixing the rotating angle of the top cover 9, and after being separated, the top cover 9 completes the overturning, thereby improving the space utilization rate; the top wall of the inner pipe 3 is provided with a groove 14 in the front side, the bottom of the locking plate 11 is clamped in the groove 14, and the locking plate 11 will not affect the pressing when the top cover 9 is lifted, thereby guaranteeing the locking plate 11.

[0034] With reference to Figure 1 and Figure 5 , the scraping mechanism 2 comprises a fixed shell 201, the fixed shell 201 is clamped on the inner wall of the bottle body, and the preliminary fixing is completed; the outer wall of the fixed shell 201 is arranged on the outer wall of the inner pipe 3, the inner wall of the fixed shell 201 is provided with an annular groove 202, the displacement of the rubber arc plate 204 is limited through the annular groove 202, and the shaking of the rubber arc plate 204 is reduced; a plurality of reset springs 203 are fixedly connected to the inner wall of the fixed shell 201 at equal intervals, the rubber arc plate 204 is pressed against the inner pipe 3 under the elastic force of the reset springs 203, one end of the reset spring 203 is fixedly connected with the rubber arc plate 204, and when the inner pipe 3 and the pumping pipe 18 are pulled out, the liquid adhered to the surface of the inner pipe 3 is scraped off, and the outer wall of the fixed shell 201 is threadedly connected with plastic knobs 205 on the left and right sides; the scraping mechanism 2 further comprises two gaskets 206, the inner walls of the two gaskets 206 are fixedly connected to the middle parts of the corresponding plastic knobs 205, and the damage of the plastic knobs 205 to the bottle body is reduced through the gaskets 206; the two plastic knobs 205 are designed symmetrically, and the sides away from each other of the two plastic knobs 205 are designed to be smooth, thereby improving the pressure resistance of the outer wall of the plastic knobs 205.

[0035] With reference to Figure 1 ,Figure 2 And Figure 4 The top wall of the top cover 9 is fixedly connected with a plurality of rubber pads 17, which are arranged at equal intervals; the front side of the lock cover 1 is fixedly connected with a connecting pipe 15, the top end of the connecting pipe 15 is fixedly connected with a sealing cover 16, and the inner wall of the sealing cover 16 is clamped with the outer wall of the liquid outlet 10.

[0036] Working principle: when starting to carry out the outing, the connecting shell 6 is rotated, so that the connecting shell 6 connected with the top end of the valve core 4 through the threaded groove 5 is unlocked, so that the conveying pipe 7 is separated from the inner part of the valve core 4 and is unlocked, and then the connecting shell 6 is turned over with the top cover 9, so that the bottom of the locking cover 13 is aligned with the top end of the valve core 4, and then the locking cover 13 is rotated to be threadedly connected with the top end of the valve core 4, so that the locking cover 13 and the top end of the valve core 4 are locked, the valve core 4 is sealed to prevent the liquid from being squeezed out, and at the same time, the locking plate 11 is turned over to be separated from the locking groove 12, so that the top cover 9 can be turned over to adjust the angle of the top cover 9 for storage, thereby improving the space utilization of the pressing pump head and avoiding affecting the carrying and use of the daily necessities with the pressing pump head;

[0037] And when the combined pressing pump head is assembled, the fixed shell 201 is clamped on the inner wall of the bottle body to be preliminarily positioned, the plastic knob 205 is rotated to pass through the outer wall of the bottle body and fix the fixed shell 201 at one end, the rubber arc plate 204 is pressed against the outer wall of the inner pipe 3 and the extraction pipe 18 by the elastic force of the return spring 203, so that when the inner pipe 3 and the extraction pipe 18 are pulled out, the rubber arc plate 204 can scrape off the liquid attached to the outer wall of the inner pipe 3 and the extraction pipe 18, thereby reducing the liquid attachment.

[0038] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable push pump head comprising a lock cap (1), characterized in that: The inner wall of the lock cover (1) is fixedly connected with an inner tube (3), the inner wall of the inner tube (3) is slidably connected with a valve core (4), the outer wall top end of the valve core (4) is provided with a threaded groove (5), the top end of the valve core (4) is threadedly connected with a connecting shell (6), the inner portion of the connecting shell (6) is fixedly installed with a delivery pipe (7), the bottom end of the delivery pipe (7) is clamped with the top end of the valve core (4), the top wall of the connecting shell (6) is rotatably connected with a rotating column (8), the top wall of the rotating column (8) is rotatably connected with a top cover (9), the bottom wall of the top cover (9) is communicated with a liquid outlet (10), the top end of the liquid outlet (10) is communicated with the left end of the delivery pipe (7), the top wall of the top cover (9) is fixedly connected with a locking cover (13), the inner wall of the locking cover (13) is threadedly connected with the top end of the valve core (4), the front side of the connecting shell (6) is provided with a locking assembly, the bottom end of the inner tube (3) is communicated with a pumping pipe (18), the outer wall of the inner tube (3) is provided with a scraping mechanism (2), and the scraping mechanism (2) is used to reduce the adhesion of the liquid to the outer wall of the inner tube (3).

2. An adjustable squeeze pump head as defined in claim 1, wherein: The scraping mechanism (2) comprises a fixed shell (201), the outer wall of the fixed shell (201) is arranged on the outer wall of the inner tube (3), the inner wall of the fixed shell (201) is provided with an annular groove (202), the inner wall of the fixed shell (201) is fixedly connected with a plurality of reset springs (203) at equal intervals, one end of the reset spring (203) is fixedly connected with a rubber arc plate (204), and the outer wall of the fixed shell (201) is threadedly connected with a plastic knob (205) on the left and right sides.

3. An adjustable squeeze pump head as defined in claim 1, wherein: The locking assembly comprises a locking plate (11), the bottom end of the locking plate (11) is rotatably connected on the front side of the connecting shell (6), the bottom wall of the top cover (9) is provided with a locking groove (12) in the middle, and the top of the locking plate (11) is clamped with the locking groove (12).

4. An adjustable squeeze pump head as defined in claim 2, wherein: The scraping mechanism (2) further comprises two spacers (206), and the inner walls of the two spacers (206) are fixedly connected in the middle of the corresponding plastic knobs (205).

5. An adjustable squeeze pump head as defined in claim 3, wherein: The top wall of the inner tube (3) is provided with a groove (14) in the front side, and the bottom of the locking plate (11) is clamped with the groove (14).

6. An adjustable squeeze pump head as defined in claim 1, wherein: The top wall of the top cover (9) is fixedly connected with a plurality of rubber pads (17), and the plurality of rubber pads (17) are arranged at equal intervals.

7. An adjustable squeeze pump head as defined in claim 1, wherein: The front side of the lock cover (1) is fixedly connected with a connecting pipe (15), the top end of the connecting pipe (15) is fixedly connected with a sealing cover (16), and the inner wall of the sealing cover (16) is clamped with the outer wall of the liquid outlet (10).

8. An adjustable squeeze pump head as defined in claim 2, wherein: The two plastic knobs (205) are symmetrically designed, and the sides away from each other of the two plastic knobs (205) are designed to be smooth.

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