NEW EXTERNAL SPRING-LOADED PERFUME PUMP DEVICE

Abstract

This utility certificate discloses a new external spring-loaded perfume pump device, comprising a pump body and a press head. The outer side of the pump body is provided with a latch-on cover. The latch-on cover comprises a plastic body. The lower part of the plastic body is provided with an insertion interface for cooperating with the bottle mouth. The lower part of the plastic body is provided with a plurality of dip teeth arranged at intervals along the circumferential direction around the insertion interface. The inner side of the dip tooth is provided with an engagement tooth that projects laterally into the insertion interface and is used to engage with an engagement loop on the bottle mouth. The outer side of the plastic body is sheathed below the engagement loop.of an outer cap that can fit without play to the dipping tooth and contract the engagement tooth inwards so that the engagement tooth engages on the bottle mouth, and the pump body is provided internally with a pump core component that is connected to the press head and can pump the liquid when the press head is pressed, which presents a simplicity of structure and ease of bottling. FIGURE FOR ABBREVIATION: 1,

Description

Title of the invention: NEW EXTERNAL SPRING-LOADED PERFUME PUMP DEVICE technical field

[0001] This utility certificate relates to the technical field of the perfume pump, in particular a new external spring-loaded perfume pump device.

[0002] TECHNICAL CONTEXT

[0003] Currently, certain micro-sprayers with press caps are mainly used in perfume spraying in the beauty industry, or are called perfume pumps. Perfumes on the market are generally contained in glass bottles with a spray pump, and a threaded structure is used to connect the spray pump to the glass bottle by threading. When assembling such a structure, the bottle must be rotated to fix the spray pump to the opening of the glass bottle, which is not conducive to improving production efficiency.Furthermore, for existing spray pumps, such as perfume pumps, a mouth-gripping process is required during bottling; for this, the lower end of the metal cap is bent inwards to be engaged with the bottle mouth, which causes a risk of breakage for glass bottles.

[0004] DISCLOSURE OF THE UTILITY CERTIFICATE

[0005] To solve the technical problem of the existing art, the present utility certificate aims to provide a new external spring-loaded perfume pump device with simplicity of structure and ease of bottling.

[0006] This utility certificate is realized through the following technical solution:

[0007] A novel external spring-loaded perfume pump device comprises a pump body and a press head. The outer side of the pump body is provided with a cover with an engagement clasp. The cover with the engagement clasp comprises a plastic body. The lower part of the plastic body is provided with an insertion interface for cooperating with the bottle mouth. The lower part of the plastic body is provided with a plurality of dipping teeth arranged at intervals along the circumferential direction around the insertion interface. The inner side of the dipping tooth is provided with an engagement tooth that protrudes laterally into the insertion interface and is used to engage with an engagement loop on the bottle mouth. The outer side of the plastic body is sheathed below the engagement loop.of an outer cap that can adjust without play to the dipping tooth and cause the engagement tooth to contract inwards, so that the engagement tooth engages on the bottle mouth, and the pump body is provided inside with a pump core component which is connected to the press head and can pump the liquid when the press head is pressed.

[0008] In particular, the pump core component includes a locking cover disposed in the pump body and a hollow pump rod, the upper end of the pump rod is connected to the press head, the press head is provided with a sprayer in communication with the pump rod, the lower end of the pump rod penetrates under the locking cover and is sheathed with a piston which can move up and down relative to the pump rod, the locking cover is provided with a spring cavity extending into the pump body, a first spring for pushing the pump rod upwards is provided in the spring cavity, a second spring for pressing the piston downwards is provided between the pump rod and the piston, and the lower end of the pump rod is provided with a truncated cone which can be locked below the piston to close a central hole in the piston when it moves upwards.

[0009] In particular, the pump rod comprises an upper pump rod and a lower pump rod, the upper end of which is fixed by insertion into the lower end orifice of the upper pump rod, and the second spring is sheathed to the outer side of the lower pump rod and is pressed between the lower end face of the upper pump rod and the piston.

[0010] In particular, the upper part of the insertion interface is provided with a projecting connecting portion which projects upwards, a limiting groove and an insertion orifice are provided in the projecting connecting portion, the upper end of the pump body is provided with a projecting limiting ring which projects outwards, the upper end orifice of the locking cover is provided with a flange which projects outwards and bears against the upper part of the projecting limiting ring, the projecting limiting ring and the flange are inserted from the insertion orifice and are constrained in the limiting groove, and the projecting connecting portion is provided with a rod hole to allow the pump rod to pass through.

[0011] In particular, the dip teeth are inclined outwards to form a dip structure.

[0012] In particular, the outer cap is an aluminum cap.

[0013] Compared with existing techniques, the present utility certificate has the following advantages: when the external spring-loaded perfume pump having the plastic engagement clasp is connected to the bottle mouth, the outer cap is first placed over the dipping teeth and the dipping teeth can open outwards, the bottle mouth is inserted into the insertion interface, Then the outer cap is pressed down to completely cover the engagement clasp lid, because the outer cap fits without play to the dipping teeth, the outer cap, when pressed, presses the dipping teeth so that the latter contract and cause the engagement tooth to contract inwards to engage below the engagement loop of the bottle mouth, thus achieving assembly and fixation on the bottle mouth, with a simplicity of structure and ease of bottling, without a mouth gripping process, thus reducing the risk of breakage of bottles, especially glass bottles, and promoting improved production efficiency. DESCRIPTION OF THE FIGURES

[0014] [Fig. 1] is a cross-sectional view of the new external spring-loaded perfume pump device of this utility certificate;

[0015] [Fig.2] is a structural diagram of the bottom of the locking clasp lid. DETAILED DESCRIPTION OF THE INVENTION

[0016] The technical solutions of this utility certificate shall be clearly and fully described in the following description of embodiments with reference to the figures, in which the described embodiments are only a part of embodiments and not all embodiments, and the forms of implementation of this utility certificate are not limited to these. Based on the embodiments of this utility certificate, all other embodiments obtained by those skilled in the art without creative work shall be included within the scope of protection of this utility certificate.

[0017] As shown in Figures 1 to 2, a novel external spring-loaded perfume pump device comprises a pump body 1 and a press head 2. The outer side of the pump body 1 is provided with a latching cover 3. The latching cover 3 comprises a plastic body 31. The lower part of the plastic body 31 is provided with an insertion interface 32 for cooperating with the bottle mouth. The lower part of the plastic body 31 is provided with a plurality of dip teeth 33 arranged at intervals along the circumferential direction around the insertion interface 32. The inner side of the dip tooth 33 is provided with an engagement tooth 34 that projects laterally into the insertion interface 32 and is used to engage with an engagement loop on the bottle mouth. The outer side of the plastic body 31 is sheathed. below the engagement loop,of an outer cap 4 which can fit without play to the dipping tooth 33 and contract the engagement tooth 34 inwards so that the engagement tooth 34 engages on the bottle mouth, preferably, the outer cap 4 is an aluminum cap, and the pump body 1 is provided with, its interior of a pump core component which is connected to press head 2 and can pump the liquid when press head 2 is pressed.

[0018] When the external spring-loaded perfume pump having the plastic engagement clasp is connected to the bottle mouth, the outer cap 4 is first placed over the dip teeth 33, as shown in [Fig. 1]. The dip teeth 33 can open outwards; the dip teeth 33 are inclined outwards to form a dip structure. The bottle mouth is inserted into the insertion interface 32, and then the outer cap 4 is pressed down to completely cover the engagement clasp cover 3. Because the outer cap 4 fits without play onto the dip teeth 33, the outer cap 4, when pressed, presses the dip teeth 33 so that the latter contract and cause the engagement tooth 34 to contract inwards to engage below the engagement loop of the bottle mouth.This achieves assembly and fixation on the bottle mouth, with a simple structure and ease of bottling, without the need for a gripping process on the mouth, thus reducing the risk of bottle breakage, especially for glass bottles, and promoting improved production efficiency. Furthermore, the engagement method increases the engagement depth between the engagement tooth 34 and the corresponding engagement loop on the bottle mouth, improving engagement force.

[0019] The pump core component comprises a locking cover 5 disposed in the pump body 1 and a hollow pump rod 6, the upper end of the pump rod 6 is connected to the press head 2, the press head 2 is provided with a sprayer 7 in communication with the pump rod 6, the lower end of the pump rod 6 penetrates under the locking cover 5 and is sheathed with a piston 8 which can move up and down relative to the pump rod 6, the locking cover 5 is provided with a spring cavity 51 extending into the pump body 1, a first spring 9 for pushing the pump rod 6 upwards is provided in the spring cavity 51, a second spring 10 for pressing the piston 8 downwards is provided between the pump rod 6 and the piston 8,and the lower end of the pump rod 6 is provided with a truncated cone 63 which can be locked below the piston 8 to close a central hole in the piston 8 when it moves upwards; the external arrangement of the two springs prevents any contact between the springs and the perfume and thus prevents any rusting, while presenting a simple structure.

[0020] The upper part of the insertion interface 32 is provided with a projecting connecting portion 35 which projects upwards, a limiting groove 36 and an insertion orifice 37 are provided in the projecting connecting portion 35, the upper end of the pump body 1 is provided with a projecting limiting ring 11 which projects outwards, the upper end opening of the locking cover 5 is provided with a flange 52 which protrudes outwards and bears against the upper part of the protruding limiting ring 11, the protruding limiting ring 11 and the flange 52 are inserted from the insertion opening 37 and are constrained in the limiting groove 36, and the protruding connecting portion 35 is provided with a rod hole 38 to allow passage of the pump rod 6, which presents a simple structure and ease of assembly.

[0021] The pump rod 6 comprises an upper pump rod 61 and a lower pump rod 62, the upper end of which is fixed by insertion into the lower end orifice of the upper pump rod 61, and the second spring 10 is sheathed to the outside side of the lower pump rod 62 and is pressed between the lower end face of the upper pump rod 61 and the piston 8 with a simple structure.

Claims

Demands

1. A novel external spring-loaded perfume pump device, characterized in that it comprises a pump body (1) and a press head (2), the outer side of the pump body (1) being provided with a latching cover (3), the latching cover (3) comprising a plastic body (31), the lower portion of the plastic body (31) being provided with an insertion interface (32) for cooperating with the bottle mouth, the lower portion of the plastic body (31) being provided with a plurality of dip teeth (33) which are arranged at intervals along the circumferential direction around the insertion interface (32), the inner side of the dip tooth (33) being provided with an engagement tooth (34) which projects laterally into the insertion interface (32) and is used to engage with an engagement loop on the bottle mouth, and the outer side of the plastic body (31) is sheathed,below the engagement loop, an outer cap (4) which can fit without play to the dipping tooth (33) and contract the engagement tooth (34) inwards so that the engagement tooth (34) engages on the bottle mouth, the pump body (1) is provided inside it with a pump core component which is connected to the press head (2) and can pump the liquid when the press head (2) is pressed, and the pump core component includes a locking cover (5) disposed in the pump body (1) and a hollow pump rod (6); the upper part of the insertion interface (32) is provided with a projecting connecting portion (35) which projects upwards, a limiting groove (36) and an insertion orifice (37) are provided in the projecting connecting portion (35), the upper end of the pump body (1) is provided with a projecting limiting ring (11) which projects outwards,The upper end opening of the locking cover (5) is provided with a flange (52) which projects outwards and bears against the upper part of the projecting limiting ring (11); the projecting limiting ring (11) and the flange (52) are inserted from the insertion opening (37) and are constrained in the limiting groove (36); and the projecting connecting portion (35) is provided with a rod hole (38) to allow passage of the pump rod (6).

2. A novel external spring-loaded perfume pump device according to claim 1, characterized in that: the lower end of the stem of pump (6) penetrates under the locking cover (5) and is sheathed with a piston (8) which can move up and down relative to the pump rod (6), the locking cover (5) is provided with a spring cavity (51) extending into the pump body (1), a first spring (9) for pushing the pump rod (6) upwards is provided in the spring cavity (51) and a second spring (10) for pressing the piston (8) downwards is provided between the pump rod (6) and the piston (8).

3. Novel external spring-loaded perfume pump device according to claim 1, characterized in that: the upper end of the pump rod (6) is connected to the press head (2), the press head (2) is provided with a sprayer (7) in communication with the pump rod (6), the lower end of the pump rod (6) is provided with a truncated cone (63) which can be locked below the piston (8) to close a central hole in the piston (8) when it moves upwards.

4. Novel external spring-loaded perfume pump device according to claim 2, characterized in that: the pump rod (6) comprises an upper pump rod (61) and a lower pump rod (62) the upper end of which is fixed by insertion into the lower end orifice of the upper pump rod (61), and the second spring (10) is sheathed to the outside side of the lower pump rod (62) and is pressed between the lower end face of the upper pump rod (61) and the piston (8) with a simple structure.

5. Novel external spring-loaded perfume pump device according to any one of claims 1 to 4, characterized in that: the dip teeth (33) are inclined outwards to form a dip structure.

6. Novel external spring-loaded perfume pump device according to any one of claims 1 to 4, characterized in that: the outer cap (4) is an aluminum cap.

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