Threaded cap hose capable of discharging liquid from center

Abstract

The utility model relates to a threaded cap hose with liquid discharged from the center, which comprises a hose body and a hose cap of the hose, a round connecting seat is formed at the top of the hose body, a cylindrical sealing column is formed in the center of the upper end face of the connecting seat, and an external thread connecting sleeve is formed on the upper end face of the connecting seat on the outer side of the sealing column. A plurality of communicating holes communicated with the inner cavity of the pipe body are formed in the connecting seat between the external thread connecting sleeve and the sealing column; a central liquid outlet hole opposite to the sealing column is formed in the center of the pipe cover; an inner sealing bush, an inner thread connecting sleeve and an outer connecting sleeve are sequentially formed on the inner bottom surface of the pipe cover on the outer side of the central liquid outlet hole from inside to outside; the external thread connecting sleeve of the pipe body is connected into the internal thread connecting sleeve of the pipe cover in a threaded mode, and the internal sealing bush of the pipe cover is inserted into the external thread connecting sleeve of the pipe body and abuts against the inner wall of the external thread connecting sleeve. According to the head of the hose, the central liquid outlet hole in the pipe cover can be opened by rotating the pipe cover within a small range, so that a product can be extruded, and the operation is convenient and simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hose packaging, more particularly to a screw cap hose with central liquid outlet. BACKGROUND

[0002] Hose packaging is a widely used packaging form in daily chemical, food, medicine and other fields, and is favored by the market for its convenience and flexibility. The hose has evolved from early metal hose to current plastic hose and composite hose. The existing plastic hose generally comprises a hose body, and a pipe opening with external threads is arranged at the head of the hose body. The pipe opening can squeeze out the liquid contained in the hose body and can be sealed by a screw cap. Therefore, the hose packaging needs to squeeze out the product, which requires unscrewing the screw cap. The unscrewed screw cap is easy to lose, and the screw cap needs to be screwed on and off every time, which is troublesome. In order to facilitate the hose packaging to achieve the squeezing out of the built-in product, the structure of the head of the hose needs to be designed and improved, for example, the product can be squeezed out by rotating the screw cap at a small angle, and the screw cap will not fall off, which is convenient. Therefore, a hose head liquid outlet structure with the above functions needs to be designed. SUMMARY

[0003] The utility model discloses a screw cap hose with central liquid outlet, which can realize the opening of the central liquid outlet hole on the pipe cap by rotating the pipe cap in a small range, and can squeeze out the product, which is convenient and simple to operate.

[0004] A screw cap hose with central liquid outlet comprises a pipe body and a pipe cap of a hose. A circular seat is formed at the top of the pipe body. A cylindrical sealing column is formed at the center of the upper end surface of the seat. The top of the sealing column is hemispherical and has a cylindrical plug. An external thread connection sleeve is formed on the upper end surface of the seat outside the sealing column. A plurality of communication holes are formed on the seat between the external thread connection sleeve and the sealing column and are connected to the inner cavity of the pipe body.

[0005] A central liquid outlet hole is formed in the center of the pipe cap and is opposite to the sealing column. An inner sealing bushing, an inner thread connection sleeve and an outer linking sleeve are sequentially formed on the inner bottom surface of the pipe cap outside the central liquid outlet hole from inside to outside.

[0006] The external thread connection sleeve of the pipe body is screwed into the inner thread connection sleeve of the pipe cap. The inner sealing bushing of the pipe cap is inserted into the external thread connection sleeve of the pipe body and abuts against the inner wall of the external thread connection sleeve. The top of the sealing column abuts against the inner hole wall of the central liquid outlet hole of the pipe cap, and the plug is inserted into the central liquid outlet hole.

[0007] A plurality of inner reinforcing ribs are formed between the outer connecting sleeve and the inner threaded connecting sleeve of the pipe cover, and the lower ends of the inner reinforcing ribs are formed with elastic stop pieces.

[0008] Preferably, the diameter of the central liquid outlet hole of the pipe cover is larger than the diameter of the plug and smaller than the diameter of the sealing column.

[0009] Preferably, the central axis of the pipe cover, the central axis of the inner threaded connecting sleeve, the central axis of the sealing column and the central axis of the pipe body are on the same straight line.

[0010] The central axis of the pipe cover, the central axis of the inner sealing bush, the central axis of the inner threaded connecting sleeve, the central axis of the outer connecting sleeve and the central axis of the pipe cover are on the same straight line.

[0011] Preferably, a plurality of annularly distributed outer reinforcing ribs are formed between the inner wall of the pipe cover and the outer wall of the outer connecting sleeve, and the lower ends of the outer reinforcing ribs extend beyond the lower end surface of the outer connecting sleeve.

[0012] The lower sides of the outer connecting sleeve are provided with arc-shaped elastic clamping pieces, the outer ends of the elastic clamping pieces and the lower ends of the outer reinforcing ribs are formed together, and the outer walls of the two sides of the socket are respectively formed with arc-shaped stop pieces opposite to the elastic clamping pieces, and the elastic clamping pieces are arranged between the arc-shaped stop pieces and are elastically pressed against the outer walls of the socket.

[0013] Preferably, the lower end surface of the inner threaded connecting sleeve, the lower end surface of the inner sealing bush and the lower end surface of the outer connecting sleeve are flush, and the lower end surface of the outer connecting sleeve is located on the upper side of the lower end surface of the pipe cover.

[0014] Preferably, two communication holes are arranged on the pipe body, and the communication holes are arranged on the two sides of the sealing column.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The head of the soft tube can be rotated in a small range to open the central liquid outlet hole of the pipe cover, so that the product can be squeezed out, and the operation is convenient and simple. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a structural schematic view of the front view of the pipe body of the present utility model;

[0018] Figure 2 FIG. 2 is a structural schematic view of the top view of the pipe body of the present utility model;

[0019] Figure 3 FIG. 3 is a sectional view of the front view of the pipe cover of the present utility model;

[0020] Figure 4 FIG. 4 is a structural schematic view of the bottom view of the pipe cover of the present utility model;

[0021] Figure 5 Figure 2 is a partial cross-sectional view of the liquid outlet state of the utility model.

[0022] In the figure: 1, pipe body; 11, socket; 12, outer thread connection sleeve; 13, sealing column; 131, plug; 14, communication hole; 15, limiting protrusion; 16, arc-shaped stopper; 17, transition pipe opening; 2, pipe cover; 21, central liquid outlet hole; 22, ball pocket; 23, inner thread connection sleeve; 24, outer connection sleeve; 25, inner reinforcing rib; 26, elastic stopper; 27, outer reinforcing rib; 28, elastic card. DETAILED DESCRIPTION

[0023] Embodiment: see Figures 1 to 4 As shown in the figure, a central liquid outlet threaded cover hose comprises a pipe body 1 and a pipe cover 2 of the hose, the top of the pipe body 1 is formed with a circular socket 11, the center of the upper end surface of the socket 11 is formed with a cylindrical sealing column 13, the top of the sealing column 13 is hemispherical and is formed with a cylindrical plug 131, the upper end surface of the socket 11 outside the sealing column 13 is formed with an outer thread connection sleeve 12, and the socket 11 between the outer thread connection sleeve 12 and the sealing column 13 is formed with a plurality of communication holes 14 connected with the inner cavity of the pipe body 1;

[0024] The center of the pipe cover 2 is formed with a central liquid outlet hole 21 opposite to the sealing column 13, and the inner bottom surface of the pipe cover 2 outside the central liquid outlet hole 21 is sequentially formed with an inner sealing bushing 22, an inner thread connection sleeve 23 and an outer connection sleeve 24 from inside to outside;

[0025] The outer thread connection sleeve 12 of the pipe body 1 is screwed in the inner thread connection sleeve 23 of the pipe cover 2, the inner sealing bushing 22 of the pipe cover 2 is inserted in the outer thread connection sleeve 12 of the pipe body 1 and abuts against the inner wall of the outer thread connection sleeve 12, the top of the sealing column 13 abuts against the inner hole wall of the central liquid outlet hole 21 of the pipe cover 2, and the plug 131 is inserted in the central liquid outlet hole 21;

[0026] A plurality of inner reinforcing ribs 25 are formed between the outer connection sleeve 24 and the inner thread connection sleeve 23 of the pipe cover 2, the lower end of the inner reinforcing rib 25 is formed with an elastic stopper 26, the outer circle of the socket 11 is formed with a triangular limiting protrusion 15, and the limiting protrusion 15 abuts against the elastic stopper 26.

[0027] The hole diameter of the central liquid outlet hole 21 of the pipe cover 2 is greater than the diameter of the plug 131 and smaller than the diameter of the sealing column 13, and the head of the sealing column 13 can be used for sealing the central liquid outlet hole 21, when the sealing column 13 is separated from the inner wall of the central liquid outlet hole 21, a cross-sectional circular arc-shaped liquid outlet ring groove a can be formed between the two, as shown in the figure. Figure 5The plug 131 can dredge the central liquid outlet hole 21, and avoid the central liquid outlet hole 21 from being blocked by liquid condensation or other foreign matters.

[0028] The center axis of the socket 11, the center axis of the outer threaded connecting sleeve 12, the center axis of the sealing column 13 and the center axis of the pipe body 1 are on the same line.

[0029] The center axis of the pipe cover 2, the center axis of the inner sealing bush 22, the center axis of the inner threaded connecting sleeve 23, the center axis of the outer connecting sleeve 24 and the center axis of the pipe cover 2 are on the same line.

[0030] A plurality of annularly distributed outer reinforcing ribs 27 are formed between the inner wall of the pipe cover 2 and the outer wall of the outer connecting sleeve 24, and the lower ends of the outer reinforcing ribs 27 extend out of the lower end surface of the outer connecting sleeve 24; the outer reinforcing ribs 27 and the inner reinforcing ribs 25 can improve the strength of the pipe cover 2; and meanwhile, provide a connection basis for the elastic clamping pieces 28.

[0031] The lower sides of the outer connecting sleeve 24 are provided with arc-shaped elastic clamping pieces 28, the outer ends of the elastic clamping pieces 28 are formed together with the lower ends of the outer reinforcing ribs 27; arc-shaped stop blocks 16 are respectively formed on the outer walls of the two sides of the socket 11 and opposite to the elastic clamping pieces 28; the elastic clamping pieces 28 are arranged between the arc-shaped stop blocks 16 and elastically press against the outer walls of the socket 11; when the pipe cover 2 is screwed and fixed on the pipe body 1, the elastic clamping pieces 28 first pass over the arc-shaped stop blocks 16, are restricted by the arc-shaped stop blocks 16 from returning, and thus prevent the pipe cover 2 from loosening and separating from the pipe body 1; meanwhile, the elastic clamping pieces 28 can also restrict the opening of the liquid outlet annular groove a from being too large, and avoid a large amount of liquid from being squeezed out.

[0032] When the pipe cover 2 is continuously rotated and fastened on the pipe body 1, the last limiting protrusions 15 pass over the limiting protrusions 15, the limiting protrusions 15 are used to limit the loosening of the pipe cover 2, and thus ensure the sealing.

[0033] The lower end surface of the inner threaded connecting sleeve 23, the lower end surface of the inner sealing bush 22 and the lower end surface of the outer connecting sleeve 24 are flush, and the lower end surface of the outer connecting sleeve 24 is located on the upper side of the lower end surface of the pipe cover 2.

[0034] The two communicating holes 14 are arranged on the two sides of the sealing column 13; the socket 11 and the pipe body 1 are connected by a conical transition pipe opening 17.

[0035] Working principle: the structure is a center liquid outlet screw cap hose, which is divided into a tube body 1 part and a tube cap 2 part, the tube cap 2 is fixed on the tube body 1 by screwing, the center of the tube cap 2 is provided with a center liquid outlet hole 21, and a sealing column 13 is arranged on the tube body 1, when the tube cap 2 is fastened on the tube body 1, the center liquid outlet hole 21 is blocked and sealed by the sealing column 13, and the product cannot be squeezed out;

[0036] When the product needs to be squeezed out, the tube cap 2 is rotated in a small range, the tube cap 2 moves upwards and is separated from the sealing column 13, then the product in the tube can be squeezed out from the liquid outlet ring groove a between the communication hole 14, the center liquid outlet hole 21 and the sealing column 13, and finally through the center liquid outlet hole 21.

[0037] The embodiments are used to illustrate the present application, but are not used to limit the present application. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present application, therefore, the protection scope of the present application should be as listed in the claims of the present application.

Claims

1. A central liquid outlet screw cap hose comprising a hose body (1) and a cap (2), the top of the hose body (1) being shaped with a circular socket (11), characterised in that: The center of the upper end face of the connector (11) is shaped with a cylindrical sealing column (13), the top of the sealing column (13) is hemispherical and shaped with a cylindrical plug (131), the outer side of the connector (11) upper end face is shaped with an outer threaded connecting sleeve (12), a plurality of communication holes (14) are shaped on the connector (11) between the outer threaded connecting sleeve (12) and the sealing column (13) and communicated with the inner cavity of the pipe body (1); The center of the pipe cover (2) is shaped with a center liquid outlet hole (21) opposite to the sealing column (13), the inner bottom face of the pipe cover (2) outside the center liquid outlet hole (21) is sequentially shaped from inside to outside with an inner sealing bushing (22), an inner threaded connecting sleeve (23) and an outer linking sleeve (24); The outer threaded connecting sleeve (12) of the pipe body (1) is screwed in the inner threaded connecting sleeve (23) of the pipe cover (2), the inner sealing bushing (22) of the pipe cover (2) is inserted in the outer threaded connecting sleeve (12) of the pipe body (1) and abuts against the inner wall of the outer threaded connecting sleeve (12), the top of the sealing column (13) abuts against the inner hole wall of the center liquid outlet hole (21) of the pipe cover (2), and the plug (131) is inserted in the center liquid outlet hole (21); A plurality of inner reinforcing ribs (25) are shaped between the outer linking sleeve (24) and the inner threaded connecting sleeve (23) of the pipe cover (2), the lower end of the inner reinforcing rib (25) is shaped with an elastic stopper (26), the outer circle of the connector (11) is shaped with a triangular limiting protrusion (15) abutting against the elastic stopper (26).

2. A central liquid outlet screw cap hose according to claim 1, wherein: The hole diameter of the center liquid outlet hole (21) of the pipe cover (2) is larger than the diameter of the plug (131) and smaller than the diameter of the sealing column (13).

3. A center-liquid-discharge screw cap hose according to claim 1, characterized in that: The center axis of the connector (11), the center axis of the outer threaded connecting sleeve (12), the center axis of the sealing column (13) and the center axis of the pipe body (1) are on the same straight line; The center axis of the pipe cover (2), the center axis of the inner sealing bushing (22), the center axis of the inner threaded connecting sleeve (23), the center axis of the outer linking sleeve (24) and the center axis of the pipe cover (2) are on the same straight line.

4. A center-liquid-discharge screw cap hose according to claim 1, characterized by: A plurality of annularly distributed outer reinforcing ribs (27) are shaped between the inner wall of the pipe cover (2) and the outer wall of the outer linking sleeve (24), the lower end of the outer reinforcing rib (27) extends out of the lower end face of the outer linking sleeve (24); The lower side of the outer linking sleeve (24) is provided with an arc-shaped elastic clamping piece (28), the outer end of the elastic clamping piece (28) and the lower end of the outer reinforcing rib (27) are shaped together, and the outer wall of the connector (11) on both sides is respectively shaped with an arc-shaped stopper (16) opposite to the elastic clamping piece (28), and the elastic clamping piece (28) is arranged between the arc-shaped stoppers (16) and elastically abuts against the outer wall of the connector (11).

5. A central liquid outlet screw cap hose according to claim 4, wherein: The lower end face of the inner threaded connecting sleeve (23), the lower end face of the inner sealing bushing (22) and the lower end face of the outer linking sleeve (24) are flush, and the lower end face of the outer linking sleeve (24) is located on the upper side of the lower end face of the pipe cover (2).

6. A center-liquid-discharge screw cap hose according to claim 1, wherein: The communicating holes (14) on the pipe body (1) are provided with two, and the communicating holes (14) are distributed on both sides of the sealing column (13).

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