NEW EXTERNAL SPRING-LOADED PERFUME PUMP DEVICE

Abstract

This utility certificate discloses a novel external spring perfume pump device, comprising a pump body and a press head, the outer side of the pump body is provided with an engagement clasp cover, the engagement clasp 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 which are arranged at an interval along the circumferential direction around the insertion interface, the inner side of the dip tooth is provided with an engagement tooth which protrudes laterally into the insertion interface and is used to be engaged to an engagement buckle on the bottle mouth, and the outer side of the plastic body is sheathed, below the engagement buckle,an outer cap which can fit without clearance with the dip tooth and contract the engagement tooth inward so that the engagement tooth engages with the bottle mouth, and the pump body is provided therein with a pump core component which is connected to the press head and can pump the liquid when the press head is pressed, which has simplicity of structure and ease of bottling. FIGURE FOR ABSTRACT: 1,

Description

Title of the invention: NEW PERFUME PUMP DEVICE WITH EXTERNAL SPRING Technical field

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

[0002] TECHNICAL CONTEXT

[0003] At present, some press cap micro-sprayers are mainly used in perfume spraying in the beauty field, or called perfume pumps. Perfumes on the market are generally contained in spray pump glass bottles, and a threaded structure is used to connect the spray pump to the glass bottle by threading, when assembling such a structure, the bottle needs to be rotated to fix the spray pump rotatably on the glass bottle mouth, which is not conducive to improving production efficiency.Additionally, for existing spray pumps, such as perfume pumps, a mouth gripping process is required when bottling, for this, the lower end of the metal cap is bent inward to be engaged at the bottle mouth, which causes a risk of breakage for glass bottles.

[0004] DISCLOSURE OF UTILITY CERTIFICATE

[0005] To solve the technical problem of the existing art, the present utility certificate aims to provide a new external spring 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 perfume pump device comprises a pump body and a press head, the outer side of the pump body is provided with an engagement clasp cover, the engagement clasp 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 which are arranged at an interval along the circumferential direction around the insertion interface, the inner side of the dip tooth is provided with an engagement tooth which projects laterally into the insertion interface and is used to be engaged to an engagement loop on the bottle mouth, and the outer side of the plastic body is sheathed, below the engagement loop,of an outer cap which can fit without play to the dipping tooth and cause the engagement tooth to contract inwards, so that the engagement tooth engages the bottle mouth, and the pump body is provided therein 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 comprises 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 upward is provided in the spring cavity, a second spring for pressing the piston downward 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 of the piston when it moves upward.

[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 hole of the upper pump rod, and the second spring is sheathed at 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 connecting protruding portion that protrudes upward, a limiting groove and an insertion hole are provided in the connecting protruding portion, the upper end of the pump body is provided with a limiting protruding ring that protrudes outward, the upper end hole of the locking cover is provided with a flange that protrudes outward and presses against the upper part of the limiting protruding ring, the limiting protruding ring and the flange are inserted from the insertion hole and are constrained in the limiting groove, and the connecting protruding portion is provided with a rod hole for passing the pump rod.

[0011] In particular, the dip teeth are inclined outward 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 perfume pump having the plastic engagement clasp is connected to the bottle mouth, the outer cap is firstly placed above the dip teeth and the dip teeth can open outward, the bottle mouth is inserted into the insertion interface, then the outer cap is pressed down to completely cover the engagement clasp lid, due to the outer cap fitting without clearance with the dip teeth, the outer cap, when pressed, presses the dip teeth so that the latter contract and drives the engagement tooth to contract inward to engage below the engagement buckle of the bottle mouth, thereby realizing assembly and fixation on the bottle mouth, with simplicity of structure and ease of bottling, without mouth gripping process, thus reducing the risk of breakage of bottles, especially glass bottles, and promoting the improvement of production efficiency. DESCRIPTION OF FIGURES

[0014] [Fig. 1] is a sectional view of the novel external spring scent pump device of this utility certificate;

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

[0016] The technical solutions of this utility certificate will be described clearly and in detail by the following description on the embodiments with reference to the figures, in which the described embodiments are only a part of embodiments instead of 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 the person 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 perfume pump device comprises a pump body 1 and a press head 2, the outer side of the pump body 1 is provided with an engagement clasp cover 3, the engagement clasp 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 which are arranged at an interval along the circumferential direction around the insertion interface 32, the inner side of the dip tooth 33 is provided with an engagement tooth 34 which projects laterally into the insertion interface 32 and is used to be engaged to an engagement buckle on the bottle mouth, and 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 dip tooth 33 and contract the engagement tooth 34 inward so that the engagement tooth 34 engages 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 the press head 2 and can pump the liquid when the press head 2 is pressed.

[0018] When the external spring perfume pump having the plastic engagement clasp is connected to the bottle mouth, the outer cap 4 is first placed above the dip teeth 33, as shown in [Fig.l], the dip teeth 33 can open outward, the dip teeth 33 are inclined outward 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 clearance with the dip teeth 33, the outer cap 4, when pressed, presses the dip teeth 33 so that the latter contract and drives the engagement tooth 34 to contract inward to engage below the engagement buckle of the bottle mouth,thereby realizing assembly and fixing on the bottle mouth, with simplicity of structure and ease of bottling, without mouth gripping process, thereby reducing the risk of bottle breakage, especially glass bottles, and promoting the improvement of production efficiency. In addition, the engagement manner can increase the engagement depth between the engagement tooth 34 and the corresponding engagement loop on the bottle mouth and improve the 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 upward is provided in the spring cavity 51, a second spring 10 for pressing the piston 8 downward 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 of the piston 8 when it moves upwards, the external arrangement of the two springs makes it possible to avoid any contact between the springs and the perfume and thus to avoid any rusting, while having a simple structure.

[0020] The upper part of the insertion interface 32 is provided with a connecting protruding portion 35 which protrudes upwards, a limiting groove 36 and an insertion hole 37 are provided in the connecting protruding portion 35, the upper end of the pump body 1 is provided with a limiting protruding ring 11 which protrudes outwardly, the upper end hole of the locking cover 5 is provided with a flange 52 which protrudes outward and presses against the upper part of the limiting protruding ring 11, the limiting protruding ring 11 and the flange 52 are inserted from the insertion hole 37 and are constrained in the limiting groove 36, and the connecting protruding portion 35 is provided with a rod hole 38 for passing the pump rod 6, which has a simple structure and ease of assembly.

[0021] The pump rod 6 comprises an upper pump rod 61 and a lower pump rod 62 whose upper end is fixed by insertion into the lower end hole of the upper pump rod 61, and the second spring 10 is sheathed at the outer 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

Claims

1. A novel external spring 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) is provided with an engagement clasp cover (3), the engagement clasp 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) which are arranged at an interval along the circumferential direction around the insertion interface (32), the inner side of the dip tooth (33) is provided with an engagement tooth (34) which projects laterally into the insertion interface (32) and is used to be engaged to an engagement buckle on the bottle mouth, and the outer side ... plastic (31) is sheathed,below the engagement loop, an outer cap (4) which can fit without play with the dip tooth (33) and make the engagement tooth (34) contract inward so that the engagement tooth (34) engages with the bottle mouth, the pump body (1) is provided inside 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 comprises a locking cover (5) arranged in the pump body (1) and a hollow pump rod (6); the upper part of the insertion interface (32) is provided with a connecting protruding portion (35) which protrudes upwards, a limiting groove (36) and an insertion hole (37) are provided in the connecting protruding portion (35), the upper end of the pump body (1) is provided with a limiting protruding ring (11) which protrudes outwards,the upper end hole of the locking cover (5) is provided with a flange (52) which protrudes outward and presses against the upper part of the limiting protruding ring (11), the limiting protruding ring (11) and the flange (52) are inserted from the insertion hole (37) and are constrained in the limiting groove (36), and the connecting protruding portion (35) is provided with a rod hole (38) for passing the pump rod (6).,

2. A novel external spring 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. A novel external spring 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 of the piston (8) when it moves upwards.

4. A novel external spring 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) whose upper end is fixed by insertion into the lower end hole of the upper pump rod (61), and the second spring (10) is sheathed at the outer 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. A novel external spring perfume pump device according to any one of claims 1 to 4, characterized in that: the dip teeth (33) are inclined outward to form a dip structure.

6. A novel external spring 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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