CN202958645U - Drying sieve - Google Patents

Abstract

The utility model belongs to the field of tea making tools, and particularly relates to a tea drying sieve. The drying sieve disclosed by the utility model comprises a support frame, wherein the appearance of the support frame is in the shape of a plane frame; one side plane of the support frame forms a fixed surface for laying and fixing a screen; the fixed surface is concavely provided with a groove; the groove and a compass bar cooperatively compact the screen; the groove extends along the length direction of the frame-shaped support frame; the compass bar is made of wood; at least one side groove wall of the groove is convexly provided with a raised part; and a tensioning cooperation relation is formed between the side wall of the compass bar and the groove wall of the groove. According to the utility model, when the drying sieve is used, a fixed assembling structure of a screw on the drying sieve can be greatly reduced, even cancelled, so that the actual dismantling efficiency of the drying sieve is ensured; and on one hand, the wooden compass bar ensures the cheapness of the cost of the drying sieve, and on the other hand, by using a characteristic that the deformability of the compass bar is far superior to that of a steel compass bar, a semi-flexible cooperation relation is formed between the compass bar and the groove, and finally, the dismantling convenience of the drying sieve and the long service life of the screen are ensured.

Description

A kind of baking sieve

Technical field

The utility model belongs to tealeaves tools fields, is specifically related to a kind of tealeaves baking sieve.

Background technology

Oven dry is the important procedure that tealeaves is made, and its main purpose is place to go tealeaves all moisture content inside and outside, reaches simultaneously tealeaves typing and sludge proof purpose.The baking sieve is widely used in the drying tea leaves operation.The structure of baking sieve mainly comprises some layers of screen cloth of the superimposed setting of its surface layer, during practical application, be placed in tea clamp between two-layer screen cloth and be placed in dryer training baking and get final product, owing to being densely covered with hole on screen cloth, tea moisture distributes by above-mentioned hole, can reach place to go tealeaves inside and outside moisture content and the typing tealeaves purpose.The present screen cloth fixed form on the baking sieve, many employings annular bar 30 as Figure 1-3 be with the affixed relation of screw that defaults in 11 of grooves on bracing frame 10, thereby realize being located in the tiling purpose of screen cloth between the two, specifically as shown in Figure 1.The defective that said structure exists is: for guaranteeing the pressure pressuring action for screen cloth, present compression bar adopts as metal materials such as steel bars more, matching relationship between compression bar and bracing frame relies on screw fully and fixedly realizes, on the one hand, must rely on when assembling along the densely covered a large amount of screws of compression bar length direction and can realize its assembling purpose, not only promoted its cost, dismounting is also extremely wasted time and energy; On the other hand, because the rigidity that forms between compression bar and bracing frame coordinates, be easy to cause compression bar after assembling and the part screen cloth of bracing frame cooperation place to produce the phenomenons such as ironed and even pressure break, thereby greatly reduce its actual life.

Summary of the invention

The purpose of this utility model is to provide a kind of simple in structure and baking being convenient to realize sieve, and it is convenient to disassembly, long service life.

For achieving the above object, the utility model has adopted following technical scheme: a kind of baking sieve, comprise bracing frame, the bracing frame profile is the plane framework shape and the one side plane is configured for laying and the stationary plane of fixed grit, be concaved with on described stationary plane for coordinate the groove that compresses screen cloth with compression bar, this groove is along the setting of postponing of the length direction of frame-like bracing frame, described compression bar material used is wooden, described groove convexes with lug boss on its at least one side channel wall, form the swelled matching relationship between this compression bar sidewall and groove cell wall.

The beneficial effects of the utility model are: because groove convexes with lug boss on its at least one side channel wall, by the tensioner matching relationship of compression bar and groove cell wall, the sidewall of compression bar produced deformation and with lug boss between form and to be adjacent to closely gear and to coordinate; Under the synergy of the expanding force of compression bar sidewall and groove cell wall and the gear active force between lug boss and compression bar sidewall, screen cloth namely is fixed on baking sieve bracing frame reliably.Certainly, during actual the use, or the fixing purpose of the tiling that can be separately can realize screen cloth by said structure, also can be by realizing its secondary fixed effect along the compression bar length direction with the screw of certain pitch arrangement.Owing to no longer only relying on separately the screw that gathers to realize the fastening purpose of compression bar, can reduce greatly the fixedly assembly structure of even cancelling baking sieve screwing during use, also just guaranteed the actual dismounting efficient of baking sieve; Wooden compression bar has guaranteed cheapization of its cost on the one hand, utilize on the other hand it to be much better than the deformability of steel compression bar, make and form half flexible matching relationship between itself and groove, finally guaranteed the convenience of its dismounting under the prerequisite of the fixed effect of guaranteeing screen cloth, also can be greatly improved the actual life of its screen cloth.

Description of drawings

Fig. 1 is the Facad structure schematic diagram of tradition baking sieve;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the rearview that tradition baking sieve inner support frame and screen cloth coordinate;

Fig. 4 is structural representation of the present utility model;

Fig. 5 is that inside and outside baking sieve of the present utility model coordinates schematic diagram;

Fig. 6 is the cross-sectional view that the compression bar of bracing frame and cooperation with it assembles the front position state;

Fig. 7 is the I part partial enlarged drawing of Fig. 6.

The specific embodiment

A kind of baking sieve, comprise bracing frame 10, bracing frame 10 profiles are the plane framework shape and the one side plane is configured for laying and the stationary plane A of fixed grit 20, be concaved with on described stationary plane A for coordinate the groove 11 that compresses screen cloth 20 with compression bar 30, this groove 11 is along the setting of postponing of the length direction of frame-like bracing frame 10, described compression bar 30 material used is wooden, described groove 11 convexes with lug boss 11a on its at least one side channel wall, form the swelled matching relationship between these compression bar 30 sidewalls and groove 10 cell walls, specifically as shown in Fig. 4-7.

The utility model is owing to convexing with lug boss 11a at least one side channel wall of groove 11, by the tensioner matching relationship of compression bar 30 with groove 11 cell walls, the sidewall of compression bar 30 produced deformation and with lug boss 11a between form and be adjacent to closely gear and coordinate; Under the synergy of the expanding force of compression bar 30 sidewalls and groove 11 cell walls and the gear active force between lug boss 11a and compression bar 30 sidewalls, screen cloth 20 namely is fixed on baking sieve bracing frame 10 reliably.Certainly, during actual the use, or the fixing purpose of the tiling that can be separately just can realize screen cloth 20 by said structure, also can be by realizing its secondary fixed effect along compression bar 30 length directions with the screw of certain pitch arrangement.Owing to no longer only relying on separately the screw that gathers to realize the fastening purpose of compression bar 30, can consider during use to take the circumstances into consideration to reduce the fixedly assembly structure of even cancelling baking sieve screwing, also just guaranteed the actual dismounting efficient of baking sieve; Wooden compression bar 30 has guaranteed cheapization of its cost on the one hand, utilize on the other hand it to be much better than the deformability of steel compression bar, make itself and 11 of grooves form half flexible matching relationship, finally guaranteed the convenience of its dismounting under the prerequisite of the fixed effect of guaranteeing screen cloth 20, also can be greatly improved the actual life of its screen cloth 20.

As further preferred version of the present utility model: described lug boss 11a profile is the fin shape and is interrupted or arranges continuously along groove 11 length directions.Simultaneously, described lug boss 11a is the semi-cylindrical structure; Described lug boss 11a is many that are arranged in parallel along groove 11 groove depth directions.Like this, by jagged and many lug boss 11a that be arranged in parallel, thereby further strengthen the interlocking of clamping down on for wooden compression bar 30, to avoid as far as possible and even to stop because of the compression bar 30 loosening screen clothes 20 that occur of the compacting phenomenon that gets loose; The lug boss 11a of semi-cylindrical design, guaranteed the terseness of itself manufacturing process, also can guarantee the practicality of its work simultaneously, certainly, the laciniations that also can be as shown in Fig. 6-7 during actual use the it be arranged as tilted to groove 11 bottom land directions etc. are just given unnecessary details herein no longer one by one.

Further, as shown in Fig. 6-7, described groove 11 convexes with limiting section 11b on its at least one side channel wall, and described limiting section 11b is interrupted or arranges continuously along groove 11 length directions; Cooperation place with it on described limiting section 11b and compression bar 30 consists of the gear matching relationship; Described limiting section 11b is less than or equal to compression bar 30 thickness and screen cloth 20 thickness sums to groove 11 bottom land minimum spacings, and the minimum spacing of two limiting section 11b on 11 liang of cell walls of described groove is less than the thickness sum of compression bar 30 width and screen cloth 20; Or the limiting section 11b on groove 11 1 side channel walls is to the minimum spacing of its opposite side cell wall thickness sum less than compression bar 30 width and screen cloth 20.That is to say, by the setting of above-mentioned limiting section 11b, finally guaranteed the job stability that has further promoted compression bar 30 on the basis of clamping down on for compression bar 30 at aforementioned lug boss 11a; Even compression bar 30 produces the phenomenon that gets loose when work and between aforementioned lug boss 11a, because limiting section 11b is described above near groove 11 notch place's settings, more be positioned at groove 11 outsides than lug boss 11a, thereby also can play the be fixed and clamped effect of bar 30 of secondary, achieve many things at one stroke.

Further, the particular location of limiting section 11b is done following restriction herein: as shown in Fig. 5-7, support frame as described above 10 is cross section and is the cubic annular frame shape of " recessed " font, the annular of described groove 11 for postponing and arrange along its circumferential direction, stationary plane are positioned at a wherein side of " recessed " shaped support frame 10 and arrange; A side height on described " recessed " shaped support frame 10 arranges greater than another side height, described limiting section 11b be positioned at groove 11 two side ends a higher side cell wall place and arrange continuously along groove 11 length directions.Thereby rely on the structure of the limiting section 11b of monolateral layout, compression bar 30 is fixed on bracing frame 10 along assigned address and direction all the time, finally guarantee the practical effect of screen cloth 20 and even whole baking sieve.

Claims (7)

1. a baking is sieved, comprise bracing frame (10), bracing frame (10) profile is the plane framework shape and the one side plane is configured for laying the also stationary plane of fixed grit (20), be concaved with the groove (11) that compresses screen cloth (20) for coordinating with compression bar (30) on described stationary plane, this groove (11) is along the setting of postponing of the length direction of frame-like bracing frame (10), it is characterized in that: described compression bar (30) material used is wooden, described groove (11) convexes with lug boss (11a) on its at least one side channel wall, form the swelled matching relationship between this compression bar (30) sidewall and groove (10) cell wall.

2. baking according to claim 1 is sieved, and it is characterized in that: described lug boss (11a) profile is the fin shape and is interrupted or arranges continuously along groove (11) length direction.

3. baking according to claim 2 is sieved, and it is characterized in that: described lug boss (11a) is the semi-cylindrical structure.

4. according to claim 2 or 3 described bakings are sieved, and it is characterized in that: described lug boss (11a) is many that are arranged in parallel along groove (11) groove depth direction.

5. according to claim 1 and 2 or 3 described bakings are sieved, it is characterized in that: described groove (11) convexes with limiting section (11b) on its at least one side channel wall, and described limiting section (11b) is interrupted or arranges continuously along groove (11) length direction; Cooperation place with it on described limiting section (11b) and compression bar (30) consists of the gear matching relationship.

6. baking according to claim 5 is sieved, it is characterized in that: described limiting section (11b) to groove (11) bottom land minimum spacing is less than or equal to compression bar (30) thickness and screen cloth (20) thickness sum, and the minimum spacing of two limiting sections (11b) on described groove (11) two cell walls is less than the thickness sum of compression bar (30) width and screen cloth (20); Or the limiting section (11b) on groove (11) one side channel walls is to the minimum spacing of its opposite side cell wall thickness sum less than compression bar (30) width and screen cloth (20).

7. baking according to claim 6 is sieved, it is characterized in that: support frame as described above (10) is cross section and is the cubic annular frame shape of " recessed " font, the annular of described groove (11) for postponing and arrange along its circumferential direction, stationary plane are positioned at a wherein side of " recessed " shaped support frame (10) and arrange; A side height on described " recessed " shaped support frame (10) arranges greater than another side height, described limiting section (11b) be positioned at groove (11) two side ends a higher side cell wall place and arrange continuously along groove (11) length direction.

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